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<creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/2.0/</creativeCommons:license><image><link>http://www.feedburner.com</link><url>http://www.feedburner.com/fb/images/pub/fb_pwrd.gif</url><title>This Feed Powered by FeedBurner.com</title></image><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="self" href="http://feeds.feedburner.com/diglib" type="application/rss+xml" /><feedburner:browserFriendly>This is an XML content feed. It is intended to be viewed in a newsreader or syndicated to another site, subject to copyright and fair use.</feedburner:browserFriendly><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="hub" href="http://pubsubhubbub.appspot.com" /><item> 
<title><![CDATA[学习“语义网格”]]></title> 
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<span lang="EN-US"><o:p /></span><span style="font-family: 宋体;">虽然在</span><span lang="EN-US">Ian Foster</span><span style="font-family: 宋体;">和</span><span lang="EN-US">Carl Kesselman</span><span style="font-family: 宋体;">的书中几乎对</span><span lang="EN-US">Jeffery</span><span style="font-family: 宋体;">等人的网格分层观点[1]持否定态度</span><a title="" name="_ftnref1" href="http://publishblog.blogchina.com/control/blog/postBlog.b#_ftn1" style=""><span class="MsoFootnoteReference"><span lang="EN-US"><span style=""><!--[if !supportFootnotes]--><span class="MsoFootnoteReference"><span lang="EN-US" style="font-size: 10.5pt;" times="" new="" roman="" ;=""></span></span></span></span></span></a><span style="font-family: 宋体;">，然而认为网格可以分为数据、信息和知识三层并将这种想法付诸</span><span lang="EN-US">R&amp;amp;D</span><span style="font-family: 宋体;">实施的大有人在。</span>

<p class="MsoNormal"><span lang="EN-US">Ian</span><span style="font-family: 宋体;">和</span><span lang="EN-US">Carl</span><span style="font-family: 宋体;">认为这个观点有其局限性，“通常计算、数据和知识是彼此不可分割的，特别是知识不仅驻留在网格应用中，而且也渗透到网格应用和基础框架的全部有效范围内。”（作者认为一种更准确的体系结构应该是基于组件的，其中的各种宏组件协同工作）。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">我的想法也是基于这样一种分层模型进行，我认为如果把看成对象的信息、数据、知识（Semantic on the grid）与系统架构和实现所需要的“信息、数据和知识”(semantic for/in the grid)分开来讨论，这种分层架构完全是能够成立的。但是这个观点还没有进行证明，我目前还没有很好的形式化的方法能够对这一点加以证明，也还没有看到那些采用分层观点的系统事先进行过证明。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">语义网格(Semantic Grid)是目前最大的、以知识（信息的语义）为操纵</span><span lang="EN-US">/</span><span style="font-family: 宋体;">管理对象和目的的研究计划，最接近我们图书馆学研究的核心领域。前面我们探讨过，网格与</span><span lang="EN-US">Web</span><span style="font-family: 宋体;">服务已经全面合流，前者称为后者的一种实现形式（或一种应用），可以看成以后者为环境的一组中间件构成的分布式计算平台，提供网络、硬件、软件资源共享的网格能力。而语义网格则是语义万维网与网格发展的一个杂交，提供的是资源内容（信息）共享的能力，即信息系统的语义互操作的能力，这超越了计算机仅仅作为工具的资源共享，而直取计算机作为其存在目的的共享——信息的语义。参见著名的图示：</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p><img src="http://meta.blogchina.com/inc/semgrid.png" /><br /></o:p></span></p><p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">解决信息语义的异构，正是数字图书馆梦寐以求的目标。网格架构的环境与数字图书馆的信息环境是完全一致的，都是分布式的广域网环境，只是数字图书馆在承认环境无序的前提下寻找一种跨语义的解决方案，而语义网格所开的药方是在</span><span lang="EN-US">Web</span><span style="font-family: 宋体;">环境中再构建一个中间的环境，使得符合这个环境的信息体都具有语义互操作功能。两者的目的是一致的，途经不一样，数字图书馆很有借鉴语义网格、向后者寻求方法论支持的必要。从解决问题的方案本质来看，形式化地描述信息，使其负载的语义能够为机器所解析和认识，从而利用人工智能数十年的研究成果操纵广域网信息，是语义网格和数字图书馆的共同目标。语义网格甚至可以看成是数字图书馆语义互操作方案的一种特例。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">关于语义网格立项时的“可行性报告”可参见：</span><span lang="EN-US"><a href="http://www.semanticgrid.org/v1.9/semgrid.pdf">http://www.semanticgrid.org/v1.9/semgrid.pdf</a></span><span style="font-family: 宋体;">，详细介绍了语义网格的相关技术、分层模型、问题领域和技术构想，以下是“<a href="http://www.w3china.org/">中国万维网联盟</a>”</span><span style="font-family: 宋体;">的</span><span lang="EN-US">bbs</span><span style="font-family: 宋体;">上一位叫</span><span lang="EN-US">Whale</span><span style="font-family: 宋体;">的网友<a href="http://webservice.org.cn/dispbbs.asp?boardID=10&amp;ID=12815">贴的一个帖子</a></span><span lang="EN-US"></span><span style="font-family: 宋体;"></span><span lang="EN-US"></span><span style="font-family: 宋体;">，内容的组织和翻译得都不错，就直接节选拷贝粘贴在这里了：</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">网格论坛组织<span lang="EN-US">GGF</span>，也开了专门的板块来支持语义网格项目研究。目前已经有关于<span lang="EN-US">semantic
grid</span>的国际会议和期刊目前语义网格的概念同知识网格应该相同，<span lang="EN-US">GCC2004</span>上英国<span lang="EN-US">e_Science</span>的首席科学家<span lang="EN-US">TonyHey</span>作主题演讲时证实了这个结论。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US"><span style="">    </span></span>语义网格的研究重点是用语义和知识工程的方法来解决目前网格平台建设和应用中存在的各种问题<span lang="EN-US">.</span>其研究内容可以概括为以下几个方面<span lang="EN-US">.</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">1. </span>智能实验室<span lang="EN-US">(Smart Laboratories)</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">智能化的实验室是<span lang="EN-US">e-Science</span>成功不可豁缺的<span lang="EN-US">,</span>同时配置智能实验室可以充分挖掘<span lang="EN-US">Grid</span>的能力<span lang="EN-US">.</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">2. </span>面向服务的结构（<span lang="EN-US">Service-Oriented Architectures</span>）</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">研究语义网格设施的预备和实现<span lang="EN-US">,</span>研究基于语义的服务描述语言<span lang="EN-US">.</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">3. </span>基于代理的方法（<span lang="EN-US">Agent Based Approaches</span>）</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">研究<span lang="EN-US">Agent Based</span>架构使用<span lang="EN-US">,</span>研究交互语言以便开发<span lang="EN-US">\</span>制定<span lang="EN-US">\</span>维护<span lang="EN-US">e-Science marketplaces </span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">4. </span>信任和证实<span lang="EN-US">(Trust and Provenance)</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">研究网格系统中计算信任建立的过程<span lang="EN-US">\</span>方法<span lang="EN-US">\</span>技术<span lang="EN-US">,</span>决定内容种源和品质<span lang="EN-US">,</span>这些涉及到数字权管理问题<span lang="EN-US">.</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">5. </span>元数据和注释（<span lang="EN-US">Metadata and Annotation</span>）</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">元数据设施已经以<span lang="EN-US">RDF</span>的形式存在<span lang="EN-US">,</span>进一步工作研究支持<span lang="EN-US">ontology</span>设计和运用的方法和工具<span lang="EN-US">,</span>研究<span lang="EN-US">Annotation</span>工具和方法<span lang="EN-US">.</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">6. </span>知识工具<span lang="EN-US">(Knowledge Technologies)</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">知识捕获工具和方法<span lang="EN-US">\</span>动态内容连接<span lang="EN-US">(dynamic content linking)\</span>基于注解搜索<span lang="EN-US"> (annotation based
search)\annotated reuse repositories\</span>自然语言处理方法<span lang="EN-US"> (natural language processing methods )(for content tagging,
mark-up, generation and summarisation) \</span>数据挖掘<span lang="EN-US">(data mining)\</span>机器学习<span lang="EN-US">(machine learning) \Internet </span>推理服务<span lang="EN-US"> ( internet reasoning services). </span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">7. </span>集成媒体<span lang="EN-US">(Integrated Media)</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">把一系列的媒体合成到<span lang="EN-US">e-science</span>基础设施中<span lang="EN-US">,</span>包括视频<span lang="EN-US">\</span>音频<span lang="EN-US">\</span>各种图像方法<span lang="EN-US">\;</span>研究<span lang="EN-US"> metadata</span>和<span lang="EN-US">annotation</span>同这些多样媒体格式的关联</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">8. </span>内容表达<span lang="EN-US">(Content Presentation)</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">研究内容的可视化技术和方法</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">9. </span>电子科研工作流和协作<span lang="EN-US">(e-Science Workflow and Collaboration)</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">理解现在和未来<span lang="EN-US">e-Science</span>合作的工作流，拥护应该能够形成，维护和解散基于一定成员限制规则和操作规则的合作环境。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">10. </span>普适电子科研<span lang="EN-US">(Pervasive e-Science)</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">不仅关注计算能力<span lang="EN-US">,</span>更包括所有对所有资源的访问</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">面向语义的网格承诺带来语义可互操作性，智能自动化，行动指南以及灵活重用的优势，它日益被认为是网格计算演变中的一个重要阶段。
我们将语义网格广泛的应用场景概括为以下几个方面的网格应用。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">服务发现<span lang="EN-US">.</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US"><span style="">     </span></span>英国<span lang="EN-US">e-Science</span>的领头项目<span lang="EN-US">myGrid</span>寻求提供开放源代码的高层网格中间件<span lang="EN-US">, </span>用于形式化表达<span lang="EN-US">,</span>管理以及共享生物信息实验中的密集数 据<span lang="EN-US">. MyGrid</span>所用资源是开放网格体系结构的服务<span lang="EN-US">,</span>这些服务能够静态或动态的与上下文结合<span lang="EN-US">.</span>这里的上下文包括用户信息<span lang="EN-US">,</span>执行代码<span lang="EN-US">,</span>执行速度<span lang="EN-US">,</span>可靠性和 对用户有用的适当的认证机制<span lang="EN-US">.</span>能否找到正确的服务依赖于服务的知识<span lang="EN-US">.</span>服务的语义描述对服务的自动发现<span lang="EN-US">,</span>查找<span lang="EN-US">,</span>选择<span lang="EN-US">,</span>精确匹配<span lang="EN-US">,</span>组合<span lang="EN-US">,</span>交互操作<span lang="EN-US">,</span>调用以及执
行的监控都是必要的<span lang="EN-US">.</span>在开放网格体系结构中<span lang="EN-US">, </span>服务规范提供了描述接口的语法<span lang="EN-US">, </span>但服务除了按照一定的参数和返回值要求执行操作<span lang="EN-US">,</span>还应该按照一定的用户需 求来响应<span lang="EN-US">. </span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">生物信息学家常常掌握着一些特殊的数据<span lang="EN-US">,</span>他们需要找到服务来操作这些数据以便产生期望的结果<span lang="EN-US">,</span>或者他们希望在这些数据之上应用一些任务<span lang="EN-US">. </span>他们必须表达他 们的需求<span lang="EN-US">,</span>以便同可用的服务来匹配<span lang="EN-US">, </span>并考虑服务的功能<span lang="EN-US">,</span>接收和产生的数据以及用于完成其目标的资源<span lang="EN-US">, </span>从而匹配用户的需求<span lang="EN-US">. </span>而且<span lang="EN-US">, </span>他们必须从能够完
成任务的后选者中选出在请求约束下获取结果情况最佳的一个<span lang="EN-US">. </span>这种选择依赖于功能<span lang="EN-US">,</span>代价<span lang="EN-US">,</span>服务质量<span lang="EN-US">,</span>地理位置和发布者相关的元数据<span lang="EN-US">.</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">基于提供的功能进行的这种服务分类正在被不同的组织采用<span lang="EN-US">,</span>作为一种有效的查找<span lang="EN-US">.</span>索引合适服务的方法<span lang="EN-US">.</span>不同组织目前在服务注册的分类模式上是一致的<span lang="EN-US">. </span>比如生物信息学应用和仓库<span lang="EN-US">EMBOSS</span>套件对本身所包含工具有一个粗略的分类<span lang="EN-US">,</span>并且被当前众多的生物信息学集成平台使用<span lang="EN-US">.</span></p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">MyGrid</span>的一个假设是<span lang="EN-US">:</span>第三方服务注册为可用的生物信息服务编目分类<span lang="EN-US">.</span>服务描述的附加<span lang="EN-US">(</span>个性化的<span lang="EN-US">)</span>元数据使用<span lang="EN-US">RDF</span>陈述来进行声明<span lang="EN-US">. </span>服务提供者发布 他们的服务<span lang="EN-US">,</span>服务使用者通过多种机制<span lang="EN-US">,</span>如名字<span lang="EN-US">,</span>词语<span lang="EN-US">,</span>特征<span lang="EN-US">,</span>类型或本题描述来查找<span lang="EN-US">,</span>匹配服务<span lang="EN-US">.myGrid</span>生物信息服务本体基于<span lang="EN-US">DAML-S</span>服务模型<span lang="EN-US">.</span>服
务描述分为两类<span lang="EN-US">:</span>服务种类设计的领域名<span lang="EN-US">, </span>可调用服务实例的操作元数据<span lang="EN-US">(</span>如数据质量<span lang="EN-US">,</span>服务质量和代价等<span lang="EN-US">). DAML+OIL</span>提供了服务描述的词汇。匹配
首先对域进行匹配，然后是操作的属性。 副本服务（生物学里大量存在）之间有着同样的描述，但操作意义上的服务配置不同。在执行工作流之前，对服务类和他
们的实例进行发现，匹配和选择。在执行期间，实例也可以动态的选择。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">知识注释<span lang="EN-US">,</span>通知和指南</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">Geodise</span>试图用网格技术，设计优化技术，知识管理技术，<span lang="EN-US">Web</span>服务和本体技术来构建一个具有目前最高水平的知识密集性设计工具，该工具要与<span lang="EN-US">OGSA </span>基础设施保持一致。<span lang="EN-US">Geodise</span>正使用知识工程方法学来对设计知识进行建模，封装，以便航空引擎不见等新设计能够一更低的成本更快的开发出来。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">Geodise</span>首次使用的知识模式之一就是通过注释使工程设计流具有丰富的语义。<span lang="EN-US">Geodise</span>希望能够回答的一个关键问题是：以前的实际开发出什么以及
怎么重用它们。一个典型的工程设计通常包括问题定义信息（几何方面）；工具用于划分网格或者将集合设计拆分成能够进行分析的单元；然后，将优化方法产生的
一组行为应用上去，以不同的参数进行实验，并得一组可能的设计方案。所有这些信息——如何四用软件包的每一步活动——都记录在日志中。为了最有效的重用日
志文件中包含的知识，<span lang="EN-US">Geodise</span>项目中通过使用域本体术语从语义上丰富这些日志文件。经过语义扩充的结果日志形成一个知识库，该知识库可以被查询，索
引和重用。这样一个知识库使的我们能够基于以前的经验，为当前的设计问题找到合适的解决办法。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">工作流合成</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">工作流通过系统性计划将服务连接在一起，进行协调的组合。知识可以用于约束和知道工作流组合，并验证配置是否正确。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US">myGrid</span>系统用于对用户数据选择适当的操作，并用于规定哪个操作接着哪个操作是合理的。在<span lang="EN-US">myGrid</span>中，任务本体对工作流过程进行模拟，并用于注释 服务的输入和输出语义（当前用<span lang="EN-US">Web</span>服务工作流语言来表示）。数据的语义类型必须匹配，比如，因为酶是一种蛋白质，而<span lang="EN-US">BLASTp</span>以蛋白质作为输入，因此 酶的集合可以作为<span lang="EN-US">BLASTp</span>的输入。语义兼容不同于语法兼容。两种服务可以在语义上相同，但有着不同的特征，对应的数据格式不同。反过来，两种服务可有
相同的句法标签和操作名，但语义上完全不同。<span lang="EN-US">Geodise</span>也实现了一个基于知识，辅助本体的工作流构建助手<span lang="EN-US">KOWCA.</span>关于设计搜索和优化的通用知识要 转化成基于规则的知识库。底层知识库系统检查工作流的一致性，并对在工作流创建中下一步应该作些什么提出建议。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">数据集成</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US"><span style="">     </span></span>工作流是服务集成的一种形式。另一种形式是数据和元数据的集成。通过描述公共模型中的元数据，实验的所有部分都能够相互关联，因此能够在其上进行推理。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US"><span style="">     </span></span>对于语义集成，本体扮演两种角色：（<span lang="EN-US">1</span>）由于数据模型是一种简单的本体，在相同的类型的数据库管理系统中的所有数据库要么使用相同的本体，要么 提供到标准本体的映射。（<span lang="EN-US">2</span>）许多智能信息集成系统用本体代表一种映射原数据库的标准模型。用户根据目标本体提交请求，然后他们自动透明的转换成依据源本
体的要求，也就是数据仓库模式。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">协作服务</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">协同会议涉及会议内容的实况交流，以及支持会议的基础设施操作信息。在最简单的情况下，信息可以是幻灯片或者远程投影仪控制。新形式的信息也可以互相交
换，如发言者队列，分布式选举，会议最新消息或者对以有文档的注释。另外，也可以进行小组讨论。这些都丰富了知识内容。共享，存储这些信息能够极大的丰富
科学活动的协作过程。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;">支持协作处理的一种方法是访问网格<span lang="EN-US">Access Grid. Access Grid</span>主要集中于大规模分布式会议和培训的应用中。<span lang="EN-US">Access Grid </span>资源包括多媒体呈现和交互，特别是基于空间的可视化会议（组到组），以及网格中间件和虚拟环境的接口。<span lang="EN-US">Access Grid</span>结点是专用设施，这些设施包
括必要的高质量音频和视频技术，以及提供一种有效的用户体验。<span lang="EN-US">CoAKTing</span>项目就是集中于集成智能会议空间，注释在线会议的媒体流。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US"><span style="">   </span></span>语义<span lang="EN-US">Web</span>技术和实时信息流两者的结合与网格计算高度相关。元数据流可以由人，设备或者服务产生，例如注释，设备配置以及实时处理的数据。会议空间
不仅可以是会议室，它也可以是实验室甚至是小实验室。如在<span lang="EN-US">Comb-e-Chem</span>项目中所研究的一样，会议空间配备有大量设备阵列和多媒体技术设施。当携 带一台设备到小空间时，需要发现并组合可用的服务，因为这与形成使用网格服务的虚拟组织紧密相关。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US"><span style="">   </span></span>因为<span lang="EN-US">p2p</span>网络目前作为一种广义的网格系统，现在技术也日益成熟，但是其中很多问题尚没有解决。目前关于<span lang="EN-US">semantic p2p</span>的研究也是一项比较好的领域。</p>

<p class="MsoNormal" style="font-family: 楷体_gb2312,sans-serif;"><span lang="EN-US"><span style="">   </span></span>虽然现在有<span lang="EN-US">semantic web service</span>研究搞得很火，但更多的关注于服务角度问题，网格架构从<span lang="EN-US">OGSA</span>到<span lang="EN-US">WSRF</span>也迎合这种趋势，但
是网格同<span lang="EN-US">Web Service</span>还是区别很大的，虽然都是面向服务的架构<span lang="EN-US">(SOA)</span>，但是网格更多关注资源、计算层面的问题，<span lang="EN-US">p2p</span>也是如此。</p>

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<p class="MsoFootnoteText"><a title="" name="_ftn1" href="http://publishblog.blogchina.com/control/blog/postBlog.b#_ftnref1" style=""><span class="MsoFootnoteReference"><span lang="EN-US"><span style=""><!--[if !supportFootnotes]--><span class="MsoFootnoteReference"><span lang="EN-US" style="font-size: 9pt;" times="" new="" roman="" ;=""></span></span></span></span></span></a><span lang="EN-US"> </span><span style="font-family: 宋体;">[1]见《网格计算（第二版）》</span><span lang="EN-US">p.251</span></p>

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]]></description> 
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<dc:subject>读书笔记</dc:subject> 
<dc:date>2005-08-01T01:39:41Z</dc:date> 
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<description><![CDATA[
<p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span style="font-family: 宋体;">不破不立，破了要立，前几天说了网格不少坏话，今天要说说它的好话。实际上网格还算是一个非常不错的好东西，至少目前画的大饼还是够大够圆的，能实现多少当然另当别论。思想这种东西即使没有实现也不会浪费，还可以被众多的后继项目所利用。计算机学科发展的有很多这样的例子。</span><span lang="EN-US"><font face="Times New Roman">OSI</font></span><span style="font-family: 宋体;">七层协议好不好？好！有没有人用？没人用！起没起到作用？作用是大大地。看罢</span><span lang="EN-US"><font face="Times New Roman">Ian Foster</font></span><span style="font-family: 宋体;">和</span><span lang="EN-US"><font face="Times New Roman">Carl Kesselman</font></span><span style="font-family: 宋体;">的《<a href="http://www.china-pub.com/computers/common/info.asp?id=21920">网格计算</a>》，里面有好些东西让我想到</span><span lang="EN-US"><font face="Times New Roman">OSI</font></span><span style="font-family: 宋体;">网络结构</span><span lang="EN-US"><font face="Times New Roman">7</font></span><span style="font-family: 宋体;">层模型。</span></font><span lang="EN-US"></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"><font size="3">要把诺大一个网络当成一台计算机进行资源共享，网格所涉及的内容实在博大精深。浏览完这本书后，我对网格已经失去了兴趣。与我们的领域相距太远。就像我们已经开始关注网上冲浪的体验，而他们却还在讨论穿孔纸带容易断裂的问题。</font></span><span lang="EN-US"><font size="3" face="Times New Roman"> </font></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">当然这个领域的进展还是相当快的。自从英国的</span><span lang="EN-US"><font face="Times New Roman">E-Science</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">计划开始以来，综合了各类相关技术，网格是其中的重要平台技术。而</span><span lang="EN-US"><font face="Times New Roman">E-Science</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">一开始便立足于应用（按照我们现在的话语体系应该叫做立足“人文”），立即提出了“</span><span lang="EN-US"><font face="Times New Roman">Semantic Grid</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">”的设想。这就是利用网格这样一种基础设施进行面向服务和面向应用的设计，结合最新的</span><span lang="EN-US"><font face="Times New Roman">Semantic Web </font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">和</span><span lang="EN-US"><font face="Times New Roman">Web Services</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">的进展，直奔主题——语义。</span></font><span lang="EN-US"></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">这本书有三个章节是与我们最相关的，即第</span><span lang="EN-US"><font face="Times New Roman">17</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">章开放网格服务体系结构（如果对网格的基础结构如沙漏层次模型感兴趣，还应该加上第</span><span lang="EN-US"><font face="Times New Roman">4</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">章），第</span><span lang="EN-US"><font face="Times New Roman">22</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">章</span><font face="Times New Roman"> </font><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">数据访问、集成和管理和第</span><span lang="EN-US"><font face="Times New Roman">23</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">章</span><font face="Times New Roman"> </font><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">运用知识和语义增强服务与应用。本来以为第</span><span lang="EN-US"><font face="Times New Roman">18</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">章“资源和服务管理”应该是密切相关的，然而这个资源非信息资源，是指底层的网络基础设施所提供的可资利用的各类设施，资源管理是指对这些设施的操作，所以不属于“高层语义互操作”的范围。</span></font></p><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span lang="EN-US"></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"><font size="3">第十七章</font></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">网格已经明确地采用了</span><span lang="EN-US"><font face="Times New Roman">W<chmetcnv tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="C" w:st="on">3C</chmetcnv></font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">的</span><span lang="EN-US"><font face="Times New Roman">Web Services</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">和</span><span lang="EN-US"><font face="Times New Roman">Semantic Web</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">技术，这才确立了其标准化和走向成熟的地位。集中表现在</span><span lang="EN-US"><font face="Times New Roman">OGSA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">开放网格体系架构（</span><span lang="EN-US"><font face="Times New Roman">Open Grid Services Architecture</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">）的提出和完善上。只有采用了标准化的技术，网格才有可能成为一套标准的建构平台，才能</span><span lang="EN-US"><font face="Times New Roman">/</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">才敢在其上开发各种具有基本互操作、可移植、可重用组件和应用。</span><span lang="EN-US"><font face="Times New Roman">OGSA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">也是采用</span><span lang="EN-US"><font face="Times New Roman">WSDL</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">作为其接口定义语言，定义了一套</span><span lang="EN-US"><font face="Times New Roman">Web</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">服务的接口、约定、扩展和改进规范，称为</span><span lang="EN-US"><font face="Times New Roman">OGSI</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">（</span><span lang="EN-US"><font face="Times New Roman">Open Grid Services Infrastructure</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">，这个词与</span><span lang="EN-US"><font face="Times New Roman">OGSA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">似乎存在混淆，</span><span lang="EN-US"><font face="Times New Roman">I</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">理应是</span><span lang="EN-US"><font face="Times New Roman">A</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">的基础，比</span><span lang="EN-US"><font face="Times New Roman">A</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">更宽广博大），从这个意义上就将网格看成了一组特殊的</span><span lang="EN-US"><font face="Times New Roman">Web Services</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">，或者说符合</span><span lang="EN-US"><font face="Times New Roman">OGSI</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">标准的</span><span lang="EN-US"><font face="Times New Roman">Web</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">服务就是网格服务（当然有些“网格联盟”之外的成员可能不赞成这种说法）。</span></font><span lang="EN-US"><font size="3" face="Times New Roman"> </font></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman">OGSA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">首先是一种面向服务的架构（</span><span lang="EN-US"><font face="Times New Roman">SOA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">）。这里的服务是指“一种通过信息交换来提供各种能力的实体”，可以包括底层的资源管理功能（例如存储服务）、数据传输服务、以及高层的系统监控和故障处理等功能。</span><span lang="EN-US"><font face="Times New Roman">SOA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">支持服务的虚拟化，能够使用户专注于其业务流程，而不必关注诸如服务定位、调用、管理、存储、安全、冗余备份过程等细节。</span></font><span lang="EN-US"></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">书中提到了采用</span><span lang="EN-US"><font face="Times New Roman">WSDL</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">定义的</span><span lang="EN-US"><font face="Times New Roman">OGSI</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">在四个方面简化了服务的控制和管理：</span></font></p><p style="margin: 0cm 0cm 0pt 21pt; text-indent: -21pt;" class="MsoNormal"><span lang="EN-US" roman="" new="" times="" style=""><span style=""><font face="Times New Roman"><font size="3">1.</font><span roman="" new="" times="" style="font-weight: normal; font-size: 7pt; line-height: normal; font-style: normal; font-variant: normal;">         </span></font></span></span><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">服务发现。分布式计算中最重要的功能，</span><span lang="EN-US"><font face="Times New Roman">SOA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">体系能够容易地穿件包含可用服务接口信息的注册库，供用户</span><span lang="EN-US"><font face="Times New Roman">/</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">代理查询和使用。但是我感到目前在注册库的实现机制方面可以标准化的东西还很多，要做到一个全域的注册体系需要很多技术的支持，其自身就可能使一套</span><span lang="EN-US"><font face="Times New Roman">Web</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">服务体系。</span></font></p><p style="margin: 0cm 0cm 0pt 21pt; text-indent: -21pt;" class="MsoNormal"><span lang="EN-US" roman="" new="" times="" style=""><span style=""><font face="Times New Roman"><font size="3">2.</font><span roman="" new="" times="" style="font-weight: normal; font-size: 7pt; line-height: normal; font-style: normal; font-variant: normal;">         </span></font></span></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"><font size="3">服务合成。能够使代码重用并从简单的基本构件组合成复杂的应用，并能支持多种协议邦定。</font></span></p><p style="margin: 0cm 0cm 0pt 21pt; text-indent: -21pt;" class="MsoNormal"><span lang="EN-US" roman="" new="" times="" style=""><span style=""><font face="Times New Roman"><font size="3">3.</font><span roman="" new="" times="" style="font-weight: normal; font-size: 7pt; line-height: normal; font-style: normal; font-variant: normal;">         </span></font></span></span><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">专业化。指不同平台上采用不同服务接口的实现。对资源无缝集成和虚拟集成非常重要。例如同样代码生成不同中间件环境、网络环境和操作系统环境的应用，就像</span><span lang="EN-US"><font face="Times New Roman">MDA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">所要求的那样。</span></font></p><p style="margin: 0cm 0cm 0pt 21pt; text-indent: -21pt;" class="MsoNormal"><span lang="EN-US" roman="" new="" times="" style=""><span style=""><font face="Times New Roman"><font size="3">4.</font><span roman="" new="" times="" style="font-weight: normal; font-size: 7pt; line-height: normal; font-style: normal; font-variant: normal;">         </span></font></span></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"><font size="3">接口扩展。对已有标准扩展性的一种支持。标准接口往往遵循“最小公分母”法则，缺乏对特性的支持，因而需要在接口语言中支持个性化定义。</font></span></p><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span lang="EN-US"></span><font size="3"><span lang="EN-US"><font face="Times New Roman">OGSA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">随着</span><span lang="EN-US"><font face="Times New Roman">Globus</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">新版的推出，应该已经处于“可用”状态，然而其具体应用需要扩展的地方应该还有许多：</span></font></p><p /><p style="margin: 0cm 0cm 0pt 18pt; text-indent: -18pt;" class="MsoNormal"><span lang="EN-US" roman="" new="" times="" style=""><span style=""><font face="Times New Roman"><font size="3">1、</font><span roman="" new="" times="" style="font-weight: normal; font-size: 7pt; line-height: normal; font-style: normal; font-variant: normal;">  </span></font></span></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"><font size="3">目前扩展的重点放在安全、资源管理、数据和知识管理（我们最重视的地方）、仪器和故障处理以及工作流。</font></span></p><p style="margin: 0cm 0cm 0pt 18pt; text-indent: -18pt;" class="MsoNormal"><span lang="EN-US" roman="" new="" times="" style=""><span style=""><font face="Times New Roman"><font size="3">2、</font><span roman="" new="" times="" style="font-weight: normal; font-size: 7pt; line-height: normal; font-style: normal; font-variant: normal;">  </span></font></span></span><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">一套体系适合所有应用，还未经过大量实例的检验。可能这样一种复杂的体系结构会一直留于“研究”领域，出成果的可能会是一些轻量级的、简单易行的“杀手”应用。当然作为考虑非常周全的</span><span lang="EN-US"><font face="Times New Roman">OGSA</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">，可能在需要高性能分布式计算的科学研究领域能够得到全面的应用。</span></font></p><p style="margin: 0cm 0cm 0pt 18pt; text-indent: -18pt;" class="MsoNormal"><span lang="EN-US" roman="" new="" times="" style=""><span style=""><font face="Times New Roman"><font size="3">3、</font><span roman="" new="" times="" style="font-weight: normal; font-size: 7pt; line-height: normal; font-style: normal; font-variant: normal;">  </span></font></span></span><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">语义的不充分。</span><span lang="EN-US"><font face="Times New Roman">OGSI</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">的接口定义语言据说“还没有用来表示单个服务行为的形式化机制”，服务合成后行为的分析和推理机制也需要进一步规范语义。</span></font></p><p style="margin: 0cm 0cm 0pt 18pt; text-indent: -18pt;" class="MsoNormal"><span lang="EN-US" roman="" new="" times="" style=""><span style=""><font face="Times New Roman"><font size="3">4、</font><span roman="" new="" times="" style="font-weight: normal; font-size: 7pt; line-height: normal; font-style: normal; font-variant: normal;">  </span></font></span></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"><font size="3">扩展性问题。永远是个问题。</font></span><span lang="EN-US"><font size="3" face="Times New Roman"> </font></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">第</span><span lang="EN-US"><font face="Times New Roman">22</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">、</span><span lang="EN-US"><font face="Times New Roman">23</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">章的内容与“语义结构”有关，放到以后再说。</span></font></p><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"></span></font></p><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"></span></font></p><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span lang="EN-US"></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span lang="EN-US"></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><span lang="EN-US"></span><span lang="EN-US"></span></p><p /><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman">Ian Foster, Carl Kesselman</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">著</span><font face="Times New Roman"> </font><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">金海，袁平鹏，石柯译</span><font face="Times New Roman"> </font><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">《网格计算（第二版）》</span><font face="Times New Roman"> </font><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">电子工业出版社，</span><span lang="EN-US"><font face="Times New Roman">2005</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">年</span><span lang="EN-US"><font face="Times New Roman">2</font></span><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;">月<br /></span></font></p><p style="margin: 0cm 0cm 0pt;" class="MsoNormal"><font size="3"><span roman="" new="" ?times="" times="" mso-hansi-font-family="" style="font-family: 宋体;"><br /><br />目录<br /><br />第一部分.&amp;#160;&amp;#160;&amp;#160; 概论<br />第1章&amp;#160;&amp;#160;&amp;#160; 网格背景<br />1.&amp;#160;&amp;#160;&amp;#160; 历史经验<br />2.&amp;#160;&amp;#160;&amp;#160; 飞速发展的网格<br />3.&amp;#160;&amp;#160;&amp;#160; 从网络到网格<br />4.&amp;#160;&amp;#160;&amp;#160; 谁将使用网格<br />5.&amp;#160;&amp;#160;&amp;#160; 小结<br />第2章&amp;#160;&amp;#160;&amp;#160; 科学需求<br />1.&amp;#160;&amp;#160;&amp;#160; 科学探索新模式<br />2.&amp;#160;&amp;#160;&amp;#160; 虚拟社区科学<br />3.&amp;#160;&amp;#160;&amp;#160; 新基础设施的投资<br />4.&amp;#160;&amp;#160;&amp;#160; 小结<br />第3章&amp;#160;&amp;#160;&amp;#160; 工业需求<br />1.&amp;#160;&amp;#160;&amp;#160; 技术演变：阶段<br />2.&amp;#160;&amp;#160;&amp;#160; 技术演变：阶段2<br />3.&amp;#160;&amp;#160;&amp;#160; 信息技术<br />4.&amp;#160;&amp;#160;&amp;#160; .集成<br />5.&amp;#160;&amp;#160;&amp;#160; 效率<br />6.&amp;#160;&amp;#160;&amp;#160; 网格和服务质量<br />7.&amp;#160;&amp;#160;&amp;#160; 新模型：按需计算<br />第二部分&amp;#160;&amp;#160;&amp;#160; &amp;#160;&amp;#160;&amp;#160; 框架结构<br />第4章&amp;#160;&amp;#160;&amp;#160; 概念和体系结构<br />1.&amp;#160;&amp;#160;&amp;#160; 虚拟组织和网格<br />2.&amp;#160;&amp;#160;&amp;#160; 网格体系结构<br />3.&amp;#160;&amp;#160;&amp;#160; 网格体系结构的实现<br />4.&amp;#160;&amp;#160;&amp;#160; 网格社区<br />5.&amp;#160;&amp;#160;&amp;#160; 未来发展方向<br />6.&amp;#160;&amp;#160;&amp;#160; 小结<br />第三部分&amp;#160;&amp;#160;&amp;#160; &amp;#160;&amp;#160;&amp;#160; 应用<br />第5章&amp;#160;&amp;#160;&amp;#160; 可预测的维护：分布式飞行器引擎诊断<br />1.&amp;#160;&amp;#160;&amp;#160; 故障诊断网格服务<br />2.&amp;#160;&amp;#160;&amp;#160; 飞行器引擎的诊断和预报问题<br />3.&amp;#160;&amp;#160;&amp;#160; 运行和使用DME网格服务<br />4.&amp;#160;&amp;#160;&amp;#160; 未来发展方向<br />第6章&amp;#160;&amp;#160;&amp;#160; 分布式遥现：地震工程学与NEESgrid的协作<br />1.&amp;#160;&amp;#160;&amp;#160; 地震工程中的协作<br />2.&amp;#160;&amp;#160;&amp;#160; NEESgrid系统概况<br />3.&amp;#160;&amp;#160;&amp;#160; 小结<br />第7章&amp;#160;&amp;#160;&amp;#160; 科学数据联盟：全球天文望远镜<br />1.&amp;#160;&amp;#160;&amp;#160; 虚拟天文台<br />2.&amp;#160;&amp;#160;&amp;#160; Web服务：使用分布的数据<br />3.&amp;#160;&amp;#160;&amp;#160; 层次结构<br />4.&amp;#160;&amp;#160;&amp;#160; 虚拟天文台和网格<br />5.&amp;#160;&amp;#160;&amp;#160; 用虚拟天文台实现超越<br />6.&amp;#160;&amp;#160;&amp;#160; 小结<br />第8章&amp;#160;&amp;#160;&amp;#160; 医学数据联盟：生物医学信息学科研网<br />1.&amp;#160;&amp;#160;&amp;#160; 神经成像推动着BIRN的发展<br />2.&amp;#160;&amp;#160;&amp;#160; BIRN实验平台<br />3.&amp;#160;&amp;#160;&amp;#160; BIRN网格<br />4.&amp;#160;&amp;#160;&amp;#160; 信息协调<br />5.&amp;#160;&amp;#160;&amp;#160; 推动网格技术的发展<br />第9章&amp;#160;&amp;#160;&amp;#160; 知识集成：生物信息学中的In Silico实验<br />1.&amp;#160;&amp;#160;&amp;#160; 动机：生物信息学中的In Silico实验<br />2.&amp;#160;&amp;#160;&amp;#160; myGrid体系结构和技术<br />3.&amp;#160;&amp;#160;&amp;#160; 小结<br />第10章&amp;#160;&amp;#160;&amp;#160; 分布式数据分析：用于高能物理的联合计算<br />1.&amp;#160;&amp;#160;&amp;#160; 实现<br />2.&amp;#160;&amp;#160;&amp;#160; 正式运行<br />3.&amp;#160;&amp;#160;&amp;#160; 小结<br />第11章&amp;#160;&amp;#160;&amp;#160; 大规模分布式计算：基于桌面计算机网格的虚拟筛选<br />1.&amp;#160;&amp;#160;&amp;#160; 药物发现的计算需求<br />2.&amp;#160;&amp;#160;&amp;#160; 网格技术的作用和必要条件<br />3.&amp;#160;&amp;#160;&amp;#160; 桌面计算机网格的分子匹配计算<br />4.&amp;#160;&amp;#160;&amp;#160; 小结<br />第12章&amp;#160;&amp;#160;&amp;#160; 企业资源管理：科研和工业中的应用<br />1.&amp;#160;&amp;#160;&amp;#160; GlobeXplorer：数字图像摄取和分析<br />2.&amp;#160;&amp;#160;&amp;#160; 休斯顿大学校园网格<br />3.&amp;#160;&amp;#160;&amp;#160; 白玫瑰网格<br />4.&amp;#160;&amp;#160;&amp;#160; 小结<br />第13章&amp;#160;&amp;#160;&amp;#160; 可扩展的互动性：多人游戏基础设施<br />1.&amp;#160;&amp;#160;&amp;#160; Butterfly网格的设计<br />2.&amp;#160;&amp;#160;&amp;#160; GLOBUS工具集和BUTTERFLY网格<br />第14章&amp;#160;&amp;#160;&amp;#160; 服务虚拟化：基础设施和应用<br />1.&amp;#160;&amp;#160;&amp;#160; .应用及基础设施技术发展的趋势<br />2.&amp;#160;&amp;#160;&amp;#160; 虚拟化的三个层次<br />3.&amp;#160;&amp;#160;&amp;#160; 一个虚拟化实例<br />4.&amp;#160;&amp;#160;&amp;#160; 小结<br />第15章&amp;#160;&amp;#160;&amp;#160; 群体协作：访问网格协作系统<br />1.&amp;#160;&amp;#160;&amp;#160; 当前进展<br />2.&amp;#160;&amp;#160;&amp;#160; 访问网格展望<br />3.&amp;#160;&amp;#160;&amp;#160; 虚拟场所服务<br />4.&amp;#160;&amp;#160;&amp;#160; 安全性<br />5.&amp;#160;&amp;#160;&amp;#160; 工作空间对接<br />6.&amp;#160;&amp;#160;&amp;#160; 节点管理<br />7.&amp;#160;&amp;#160;&amp;#160; 异步协作<br />8.&amp;#160;&amp;#160;&amp;#160; 小结<br />第16章&amp;#160;&amp;#160;&amp;#160; 协作式科学：天体物理学需求与经验<br />1.&amp;#160;&amp;#160;&amp;#160; 数值相对论和天体物理学<br />2.&amp;#160;&amp;#160;&amp;#160; CACTUS：一种网格应用框架<br />3.&amp;#160;&amp;#160;&amp;#160; 虚拟组织内的资源共享<br />4.&amp;#160;&amp;#160;&amp;#160; 与网格作业的交互<br />5.&amp;#160;&amp;#160;&amp;#160; 分布式计算<br />6.&amp;#160;&amp;#160;&amp;#160; 数据管理<br />7.&amp;#160;&amp;#160;&amp;#160; 小结<br />第四部分体系结构<br />第17章&amp;#160;&amp;#160;&amp;#160; 开放网格服务体系结构<br />1.&amp;#160;&amp;#160;&amp;#160; 面向服务体系结构<br />2.&amp;#160;&amp;#160;&amp;#160; 面向服务的网格体系结构<br />3.&amp;#160;&amp;#160;&amp;#160; 一个例子<br />4.&amp;#160;&amp;#160;&amp;#160; Web服务<br />5.&amp;#160;&amp;#160;&amp;#160; 开放网格服务基础结构<br />6.&amp;#160;&amp;#160;&amp;#160; OGSA服务和模式<br />7.&amp;#160;&amp;#160;&amp;#160; 例子回顾<br />8.&amp;#160;&amp;#160;&amp;#160; 其他问题<br />9.&amp;#160;&amp;#160;&amp;#160; OGSA实现<br />10.&amp;#160;&amp;#160;&amp;#160; 未来发展方向<br />11.&amp;#160;&amp;#160;&amp;#160; 小结<br />第18章&amp;#160;&amp;#160;&amp;#160; 资源和服务管理<br />1.&amp;#160;&amp;#160;&amp;#160; 网格中的资源管理<br />2.&amp;#160;&amp;#160;&amp;#160; 需求<br />3.&amp;#160;&amp;#160;&amp;#160; 通用资源管理结构<br />4.&amp;#160;&amp;#160;&amp;#160; 网格资源管理系统<br />5.&amp;#160;&amp;#160;&amp;#160; 服务协商和获取协议<br />6.&amp;#160;&amp;#160;&amp;#160; 未来发展方向<br />第19章&amp;#160;&amp;#160;&amp;#160; 构建可靠的客户端和服务<br />1.&amp;#160;&amp;#160;&amp;#160; 可靠系统的基本原则<br />2.&amp;#160;&amp;#160;&amp;#160; 可靠的远程执行<br />3.&amp;#160;&amp;#160;&amp;#160; 工作管理<br />4.&amp;#160;&amp;#160;&amp;#160; 网格计算的层次<br />5.&amp;#160;&amp;#160;&amp;#160; 可靠输出<br />6.&amp;#160;&amp;#160;&amp;#160; 未来发展方向<br />7.&amp;#160;&amp;#160;&amp;#160; 小结<br />第20章&amp;#160;&amp;#160;&amp;#160; 检测和监控<br />1.&amp;#160;&amp;#160;&amp;#160; 监控数据的使用者<br />2.&amp;#160;&amp;#160;&amp;#160; 检测<br />3.&amp;#160;&amp;#160;&amp;#160; 传感器及其管理<br />4.&amp;#160;&amp;#160;&amp;#160; 信息和监控事件数据发布<br />5.&amp;#160;&amp;#160;&amp;#160; 监控事件数据归档<br />6.&amp;#160;&amp;#160;&amp;#160; 数据分析<br />7.&amp;#160;&amp;#160;&amp;#160; 实例研究<br />8.&amp;#160;&amp;#160;&amp;#160; 小结<br />第21章&amp;#160;&amp;#160;&amp;#160; 虚拟组织安全：联合信任和策略域<br />1.&amp;#160;&amp;#160;&amp;#160; 网格安全需求<br />2.&amp;#160;&amp;#160;&amp;#160; 新兴的安全技术<br />3.&amp;#160;&amp;#160;&amp;#160; Web服务安全<br />4.&amp;#160;&amp;#160;&amp;#160; GSI：OGSA安全参考标准的实现<br />5.&amp;#160;&amp;#160;&amp;#160; 小结<br />第五部分&amp;#160;&amp;#160;&amp;#160; 数据与知识<br />第22章&amp;#160;&amp;#160;&amp;#160; 数据访问、集成和管理<br />1.&amp;#160;&amp;#160;&amp;#160; 数据密集型应用<br />2.&amp;#160;&amp;#160;&amp;#160; 结构化数据的类型和来源<br />3.&amp;#160;&amp;#160;&amp;#160; 数据管理的挑战<br />4.&amp;#160;&amp;#160;&amp;#160; 体系结构方法<br />5.&amp;#160;&amp;#160;&amp;#160; 数据源服务<br />6.&amp;#160;&amp;#160;&amp;#160; 聚合数据管理服务<br />7.&amp;#160;&amp;#160;&amp;#160; 联盟服务<br />8.&amp;#160;&amp;#160;&amp;#160; 实例研究：地球系统网格<br />9.&amp;#160;&amp;#160;&amp;#160; 小结<br />第23章&amp;#160;&amp;#160;&amp;#160; 运用知识和语义增强服务与应用<br />1.&amp;#160;&amp;#160;&amp;#160; 面向网格的知识和网格中的知识<br />2.&amp;#160;&amp;#160;&amp;#160; 知识环境<br />3.&amp;#160;&amp;#160;&amp;#160; 面向知识网格的体系结构<br />4.&amp;#160;&amp;#160;&amp;#160; 知识表达<br />5.&amp;#160;&amp;#160;&amp;#160; 处理知识<br />6.&amp;#160;&amp;#160;&amp;#160; 面向知识网格<br />7.&amp;#160;&amp;#160;&amp;#160; 面向知识网格实例研究<br />8.&amp;#160;&amp;#160;&amp;#160; 小结<br />第六部分&amp;#160;&amp;#160;&amp;#160; 工具<br />第24章&amp;#160;&amp;#160;&amp;#160; 应用层工具<br />1.&amp;#160;&amp;#160;&amp;#160; 需求<br />2.&amp;#160;&amp;#160;&amp;#160; 网格编程模型<br />3.&amp;#160;&amp;#160;&amp;#160; 网格应用执行环境<br />4.&amp;#160;&amp;#160;&amp;#160; 网格远程过程调用案例研究<br />5.&amp;#160;&amp;#160;&amp;#160; 卫星检查系统案例研究<br />6.&amp;#160;&amp;#160;&amp;#160; MPIH-G2案例研究<br />7.&amp;#160;&amp;#160;&amp;#160; APST案例研究<br />8.&amp;#160;&amp;#160;&amp;#160; 小结<br />第25章&amp;#160;&amp;#160;&amp;#160; 语言.编译器和运行系统<br />1.&amp;#160;&amp;#160;&amp;#160; 网格计算挑战<br />2.&amp;#160;&amp;#160;&amp;#160; 并行计算的经验<br />3.&amp;#160;&amp;#160;&amp;#160; 当前的网格编程工具<br />4.&amp;#160;&amp;#160;&amp;#160; .GrADS方法<br />5.&amp;#160;&amp;#160;&amp;#160; 构件技术<br />6.&amp;#160;&amp;#160;&amp;#160; 小结<br />第26章&amp;#160;&amp;#160;&amp;#160; 应用调试和适应<br />1.&amp;#160;&amp;#160;&amp;#160; 资源和性能的变化<br />2.&amp;#160;&amp;#160;&amp;#160; 性能合同和可适应控制<br />3.&amp;#160;&amp;#160;&amp;#160; 自动性能测试工具<br />4.&amp;#160;&amp;#160;&amp;#160; 执行签名<br />5.&amp;#160;&amp;#160;&amp;#160; 模糊逻辑控制<br />6.&amp;#160;&amp;#160;&amp;#160; 自适应控制实例<br />7.&amp;#160;&amp;#160;&amp;#160; 小结<br />第七部分&amp;#160;&amp;#160;&amp;#160; &amp;#160;&amp;#160;&amp;#160; 基础设施<br />第27章&amp;#160;&amp;#160;&amp;#160; 生产部署：经验和建议<br />1.&amp;#160;&amp;#160;&amp;#160; 构建大规模网格<br />2.&amp;#160;&amp;#160;&amp;#160; 网格软件<br />3.&amp;#160;&amp;#160;&amp;#160; 网格上下文<br />4.&amp;#160;&amp;#160;&amp;#160; 生产网格的相关问题<br />5.&amp;#160;&amp;#160;&amp;#160; 构建多站点网格<br />6.&amp;#160;&amp;#160;&amp;#160; 小结<br />第28章&amp;#160;&amp;#160;&amp;#160; 计算单元<br />1.&amp;#160;&amp;#160;&amp;#160; 基本单元<br />2.&amp;#160;&amp;#160;&amp;#160; 简单组合单元：本地网格<br />3.&amp;#160;&amp;#160;&amp;#160; 小结<br />第29章&amp;#160;&amp;#160;&amp;#160; 对等计算技术<br />1.&amp;#160;&amp;#160;&amp;#160; 简要历史回顾<br />2.&amp;#160;&amp;#160;&amp;#160; 应用<br />3.&amp;#160;&amp;#160;&amp;#160; 特性与问题<br />4.&amp;#160;&amp;#160;&amp;#160; 未来发展方向<br />5.&amp;#160;&amp;#160;&amp;#160; 小结<br />第30章&amp;#160;&amp;#160;&amp;#160; 网络基础设施<br />1.&amp;#160;&amp;#160;&amp;#160; 过去（1969～1988）<br />2.&amp;#160;&amp;#160;&amp;#160; 现在（1988～2005）<br />3.&amp;#160;&amp;#160;&amp;#160; 未来（2005～）<br />4.&amp;#160;&amp;#160;&amp;#160; 挑战<br />5.&amp;#160;&amp;#160;&amp;#160; 小结<br />词汇表<br />参考文献<br />特别致谢<br />索引<br /></span></font></p>]]></description> 
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<dc:subject>读书笔记</dc:subject> 
<dc:date>2005-07-30T10:38:39Z</dc:date> 
<feedburner:origLink>http://meta.bokee.com/2430404.html</feedburner:origLink></item> 
<item> 
<title><![CDATA[再议狐狸先生的数字图书馆五行学说]]></title> 
<link>http://feedproxy.google.com/~r/diglib/~3/u4iHyCObAtA/2426966.html</link> 
<description><![CDATA[


<p class="MsoNormal"><span style="font-family: 宋体;"><a href="http://rainzen.blogchina.com/">雨僧</a>先生推荐的狐狸先生的</span><span lang="EN-US">5S</span><span style="font-family: 宋体;">模型，是我数年来一直关注的，其间还跟他见过两次面，大大地把这个中西结合的学说（即数字图书馆的金木水火土</span><span lang="EN-US">5</span><span style="font-family: 宋体;">行学说</span><a title="" name="_ftnref1" href="http://publishblog.blogchina.com/control/blog/postBlog.b#_ftn1" style=""><span class="MsoFootnoteReference"><span lang="EN-US"><span style=""><!--[if !supportFootnotes]--><span class="MsoFootnoteReference"><span lang="EN-US" style="font-size: 10.5pt;" times="" new="" roman="" ;="">[1]</span></span><!--[endif]--></span></span></span></a><span style="font-family: 宋体;">）夸奖了一番，他也对能有此比颇为得意。然而说实话最初接触这个学说的时候感到简直在扯淡。没想到一个扯淡的学说在认真的计算机专家那里可以上升到到如此严格和规范的程度（同样扯淡的还有</span><span lang="EN-US">DC</span><span style="font-family: 宋体;">最初的</span><span lang="EN-US">12</span><span style="font-family: 宋体;">个元素），看来人只要认真起来，学问是哪里都可以长出来。这里又要为我们的图书馆学惭愧一下了，<a href="http://oldhuai.blogchina.com/">老槐</a>说<a href="http://libgest.blogchina.com/2223514.html">图基是亢龙有悔</a>，悔就是反思，</span><span lang="EN-US">99.99%</span><span style="font-family: 宋体;">地悔，我感到我们是回回悔、悔之又悔、后悔去悔、死不改悔，陷入了怪圈，最后落得没有建设，只有后悔了。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">遗憾的是我这里登不上</span><a href="http://portal.acm.org/dl.cfm"><span lang="EN-US">ACM</span><span style="font-family: 宋体;">的</span><span lang="EN-US">Digital Library</span></a><span style="font-family: 宋体;">，但是我想找到<a href="http://fox.cs.vt.edu/">狐狸先生</a>的这篇大作不难，狐狸先生的</span><span lang="EN-US">5S</span><span style="font-family: 宋体;">理论不知法了多少</span><span lang="EN-US">SCI</span><span style="font-family: 宋体;">收录的文章，毕业了多少硕士博士了，每回</span><span lang="EN-US">JCDL/ICADL</span><span style="font-family: 宋体;">，只要狐狸先生参加，就肯定要作</span><span lang="EN-US">5S</span><span style="font-family: 宋体;">的</span><span lang="EN-US">tutorial</span><span style="font-family: 宋体;">。我的电脑里有好几篇类似的论文和</span><span lang="EN-US">ppt</span><span style="font-family: 宋体;">了。</span> </p>

<p class="MsoNormal"><span style="font-family: 宋体;">前一阵写了篇博文“</span><a href="http://meta.blogchina.com/2156344.html"><span lang="EN-US">Fox</span><span style="font-family: 宋体;">先生的数字图书馆</span><span lang="EN-US">5S</span></a><span style="font-family: 宋体;"><a href="http://meta.blogchina.com/2156344.html">模型</a>”</span><span style="font-family: 宋体;">，堆砌了一些资料，后来受老槐的鼓励和启发，还是写成了文章的一部分，今天雨僧提及，就顺便发在这里吧，与上次重复的东西（例如图表）就尽量略过了。</span></p>



<p class="MsoNormal"><b style=""><span lang="EN-US">Fox</span></b><b style=""><span style="font-family: 宋体;">博士的数字图书馆“五行”学说</span><a title="" name="_ednref1" href="http://publishblog.blogchina.com/control/blog/postBlog.b#_edn1" style=""><sup><span lang="EN-US"><span style=""><!--[if !supportFootnotes]--><b style=""><sup><span lang="EN-US" style="font-size: 10.5pt;" times="" new="" roman="" ;=""></span></sup></b><!--[endif]--></span></span></sup></a><span lang="EN-US"><o:p /></span></b></p>

<p class="MsoNormal"><span style="font-family: 宋体;">从技术角度，数字图书馆常常被看作</span><span lang="EN-US">Web</span><span style="font-family: 宋体;">上的一种信息资源组织体系，应该具有共性的应用需求和体系架构。不论具体资源内容和服务对象是什么，这种应用需求和体系架构应该可以被抽象出来，作为一种“模型”或“方法论体系”而能够得到重用，从而大大简化数字图书馆的开发过程，促进数字图书馆的建设。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">然而要实现这种想法难就难在数字图书馆作为一个应用领域并没有固定的模式，其“共性”是非常难以提取和把握的，因而建立公认的模型几乎是不可能的。</span></p>

<p class="MsoNormal"><span lang="EN-US">Fox</span><span style="font-family: 宋体;">博士抛开“数字图书馆”概念之争，另辟蹊径，从哲学味很浓的数字图书馆存在和运行的各项“要素”入手，经过十多年的潜心研究，提出了一套数字图书馆的体系模型，并开发出相应的实现方法，以及软件工具，几乎已经到达成功的彼岸。</span></p>

<p class="MsoNormal"><span lang="EN-US">Edward Fox</span><span style="font-family: 宋体;">博士是</span><span lang="EN-US">Virginia Tech</span><span style="font-family: 宋体;">大学计算机系教授，一直参与美国</span><span lang="EN-US">NSF</span><span style="font-family: 宋体;">资助的数字图书馆项目，曾被</span><span lang="EN-US">1998</span><span style="font-family: 宋体;">年的一项德尔斐法研究报告称为<a href="http://www.libnet.sh.cn/sztsg/fulltext/abc/expert10.htm">美国十大数字图书馆专家</a>之一。</span><span lang="EN-US">Fox</span><span style="font-family: 宋体;">博士认为，数字图书馆是具有以下五项要素的复杂系统：</span></p>

<p style="margin-left: 36pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style="font-family: 宋体;"><span style="">&amp;#8226;<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">        
</span></span></span><!--[endif]--><span style="font-family: 宋体;">能够满足人们的信息需求（社会性要素</span><span lang="EN-US">Societies</span><span style="font-family: 宋体;">）</span></p>

<p style="margin-left: 36pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style="font-family: 宋体;"><span style="">&amp;#8226;<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">        
</span></span></span><!--[endif]--><span style="font-family: 宋体;">提供相应的信息服务（情境性要素</span><span lang="EN-US">Scenarios</span><span style="font-family: 宋体;">）</span></p>

<p style="margin-left: 36pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style="font-family: 宋体;"><span style="">&amp;#8226;<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">        
</span></span></span><!--[endif]--><span style="font-family: 宋体;">以有用的方式组织信息（结构性要素</span><span lang="EN-US">Structures</span><span style="font-family: 宋体;">）</span></p>

<p style="margin-left: 36pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style="font-family: 宋体;"><span style="">&amp;#8226;<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">        
</span></span></span><!--[endif]--><span style="font-family: 宋体;">以有用的方式展示信息（空间性要素</span><span lang="EN-US">Spaces</span><span style="font-family: 宋体;">）</span></p>

<p style="margin-left: 36pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style="font-family: 宋体;"><span style="">&amp;#8226;<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">        
</span></span></span><!--[endif]--><span style="font-family: 宋体;">与用户交流信息</span><span lang="EN-US">communicate info with users</span><span style="font-family: 宋体;">（流体性要素</span><span lang="EN-US">Streams</span><span style="font-family: 宋体;">）</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">不知道</span><span lang="EN-US">Fox</span><span style="font-family: 宋体;">博士最初的想法源自何处，是如何想到这</span><span lang="EN-US">5</span><span style="font-family: 宋体;">要素的。据说这种认识刚出炉时曾被朋友调侃为古代中国对于世界根本性认识的“金木水火土”五行学说。让人大跌眼镜的是这个看似玄学的“基本理论”结合了计算机科学的理念和工具，居然能够发展成一套甚至可以进行“演算”和推导的模型。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">从计算机软件工程的角度和所支持的应用的体系架构来看，</span><span lang="EN-US">Fox</span><span style="font-family: 宋体;">博士的</span><span lang="EN-US">5S</span><span style="font-family: 宋体;">数字图书馆模型可以看成</span><span lang="EN-US">MDA</span><span style="font-family: 宋体;">（模型驱动架构）的一个实例，虽然</span><span lang="EN-US">Fox</span><span style="font-family: 宋体;">先生没有在任何地方提到</span><span lang="EN-US">MDA</span><span style="font-family: 宋体;">，也确实没有在任何地方应用</span><span lang="EN-US">MDA</span><span style="font-family: 宋体;">的具体方法（除了</span><span lang="EN-US">UML</span><span style="font-family: 宋体;">），但是思想方法却如出一辙：一套模型架构（</span><span lang="EN-US">5S</span><span style="font-family: 宋体;">）、形式化方法（包括本体关系）、建模语言（</span><span lang="EN-US">5SL</span><span style="font-family: 宋体;">）、建模工具（</span><span lang="EN-US">5SGraph</span><span style="font-family: 宋体;">）、生成工具（</span><span lang="EN-US">5SGen</span><span style="font-family: 宋体;">，能支持开放数字图书馆</span><span lang="EN-US">ODL</span><span style="font-family: 宋体;">架构的实现）。当然其抽象层次没有</span><span lang="EN-US">MDA</span><span style="font-family: 宋体;">那么高，体系没有</span><span lang="EN-US">MDA</span><span style="font-family: 宋体;">那么复杂。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">乍一看</span><span lang="EN-US">5S</span><span style="font-family: 宋体;">试图穷尽数字图书馆存在的各种环境因素，实体关系非常复杂，这完全是由于进行一般化抽象的需要，每一个</span><span lang="EN-US">S</span><span style="font-family: 宋体;">考虑的内容就那么一些，实体之间的关系也抽象出了不多的几种。既然成为一个模型，就应该自成体系，不能有重大遗漏。但是仔细分析就会发现，这种抽象的理论实际上是对数字图书馆的一种简化，同时使人们在考虑数字图书馆建设时能够全面把握，不至于顾此失彼。数字图书馆领域可以参考的类似模型还有很多，例如</span><span lang="EN-US">OAIS</span><span style="font-family: 宋体;">模型、</span><span lang="EN-US">FRBR</span><span style="font-family: 宋体;">模型等，它们彼此之间角度不同，成熟度不同，解决的问题不同，应用方法也不同。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">由于计算机处理有进行形式化的需要，</span><span lang="EN-US">5S</span><span style="font-family: 宋体;">理论定义了一整套符号体系用于数字图书馆建模，并将数字图书馆的各类服务详细地列举出来（如表），表示为函数形式以便机器操作。</span></p>

<p style="text-indent: 21pt;" class="MsoNormal"><span lang="EN-US">5S</span><span style="font-family: 宋体;">理论提供了一整套建模和代码生成工具，包括</span><span lang="EN-US">5SL</span><span style="font-family: 宋体;">、</span><span lang="EN-US">5SGraph</span><span style="font-family: 宋体;">、</span><span lang="EN-US">5SGen</span><span style="font-family: 宋体;">等。</span></p>

<p style="text-indent: 21pt;" class="MsoNormal"><span lang="EN-US">5SL</span><span style="font-family: 宋体;">是该模型提出的一种基于</span><span lang="EN-US">XML</span><span style="font-family: 宋体;">的数字图书馆建模语言（主要采用了</span><span lang="EN-US">MIME</span><span style="font-family: 宋体;">类型</span><span lang="EN-US">, XML Schema, UML notation</span><span style="font-family: 宋体;">等），作为特殊领域的建模语言提供一套符号系统，表达该领域各类实体及其相互关系，以及对问题进行抽象表述。对于领域知识分析、表达、程序管理、可视化、测试、维护、建模、以及快速建立原型等都非常有用。</span></p>

<p style="text-indent: 21pt;" class="MsoNormal"><span lang="EN-US">5SGraph</span><span style="font-family: 宋体;">是该模型提出的数字图书馆建模工具，能够帮助用户利用</span><span lang="EN-US">5SL</span><span style="font-family: 宋体;">建立自己特殊的数字图书馆模型实例。简单的建模过程能够方便快捷地创建数字图书馆。</span><span lang="EN-US">5SGraph</span><span style="font-family: 宋体;">将元模型装载于一个结构化的工具箱中，其提供的结构编辑器能够提供自顶向下可视化数图设计环境，并根据可视化模型提供</span><span lang="EN-US">5SL</span><span style="font-family: 宋体;">文件的语法检查等功能。</span><span lang="EN-US">5SGraph</span><span style="font-family: 宋体;">具有灵活的可扩展结构、模型的重用、装载、存储、修改一般（子）模型、视图同步以及强化语义约束等初步功能。</span></p>

<p style="text-indent: 21pt;" class="MsoNormal"><span lang="EN-US">5SGen</span><span style="font-family: 宋体;">第一版应用于</span><span lang="EN-US">MARIAN</span><span style="font-family: 宋体;">项目，支持基于语义网络的知识表达和包含行为的节点</span><span lang="EN-US">/</span><span style="font-family: 宋体;">链接描述，第二版将结构性</span><span lang="EN-US">/</span><span style="font-family: 宋体;">空间性要素（主要指关系表、索引等）封装于组件中，并更强调情景性</span><span lang="EN-US">/</span><span style="font-family: 宋体;">社会性要素的实现，从而能够支持组件化的</span><span lang="EN-US">ODL</span><span style="font-family: 宋体;">（开放数字图书馆）。</span><span lang="EN-US">5SGen</span><span style="font-family: 宋体;">第二版已经在</span><span lang="EN-US">CITIDEL</span><span style="font-family: 宋体;">、</span><span lang="EN-US">VIADUCT</span><span style="font-family: 宋体;">、</span><span lang="EN-US">NDLTD Union Catalog</span><span style="font-family: 宋体;">以及</span><span lang="EN-US">BDBComp</span><span style="font-family: 宋体;">等项目</span><span lang="EN-US">/</span><span style="font-family: 宋体;">系统建立原型过程中得到应用并发展完善。</span></p>

<p style="text-indent: 21pt;" class="MsoNormal"><span style="font-family: 宋体;">总而言之，</span><span lang="EN-US">5S</span><span style="font-family: 宋体;">理论是目前为数不多的对数字图书馆体系结构和建设方法的系统、完整的认识，并不断有实际的应用对这套体系进行发展完善。虽然目前还只有</span><span lang="EN-US">Virginia Tech</span><span style="font-family: 宋体;">等少数大学在继续研发和使用，其方便性也不如</span><span lang="EN-US">FEDORA</span><span style="font-family: 宋体;">、</span><span lang="EN-US">DSPACE</span><span style="font-family: 宋体;">、</span><span lang="EN-US">Green Stone</span><span style="font-family: 宋体;">等开源软件，但在模型建设方面有它的特色，对于系统的可移植性、扩展性和互操作性有着其它软件不可比拟的优越性。</span></p>

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<p class="MsoFootnoteText"><a title="" name="_ftn1" href="http://publishblog.blogchina.com/control/blog/postBlog.b#_ftnref1" style=""><span class="MsoFootnoteReference"><span lang="EN-US"><span style=""><!--[if !supportFootnotes]--><span class="MsoFootnoteReference"><span lang="EN-US" style="font-size: 9pt;" times="" new="" roman="" ;="">[1]</span></span><!--[endif]--></span></span></span></a><span lang="EN-US"> </span><span style="font-family: 宋体;">据我的同事</span><span lang="EN-US">Leon</span><span style="font-family: 宋体;">回忆，这是在</span><span lang="EN-US">2000</span><span style="font-family: 宋体;">年韩国汉城（现在叫索尔）召开的第三届亚洲数字图书馆会议上，</span><span lang="EN-US">Ian Witten</span><span style="font-family: 宋体;">调侃</span><span lang="EN-US">Fox</span><span style="font-family: 宋体;">时提出的类比。</span></p>

</div>

</div>



]]></description> 
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<dc:subject>读书笔记</dc:subject> 
<dc:date>2005-07-29T22:01:50Z</dc:date> 
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<item> 
<title><![CDATA[一些专业词汇的两岸翻译]]></title> 
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]]></description> 
<guid isPermaLink="false">2416222@http://meta.bokee.com/</guid> 
<dc:subject>读书笔记</dc:subject> 
<dc:date>2005-07-28T20:27:01Z</dc:date> 
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<item> 
<title><![CDATA[学习网格（续）]]></title> 
<link>http://feedproxy.google.com/~r/diglib/~3/Dr7VJvZSCfE/2397584.html</link> 
<description><![CDATA[<span style="FONT-FAMILY: 宋体">很早就想“谈谈网格”，然而这个题目实在有些啃不动，只好继续叫“学习网格”。一直感到“网格”可能是第五代计算机（人工智能）以来最大的泡泡了，起码比“数字图书馆”大多了，然而令人不解的是网格的确有那么多科学家大腕相信它，虽然雾里看花它的确是个非常非常好的东东，但是网格从还没有</span><span lang="EN-US">Web</span><span style="FONT-FAMILY: 宋体">就开始起步，具体指什么却一改再改，近年来却与小弟弟</span><span lang="EN-US">W<chmetcnv unitname="C" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on" />3C</chmetcnv /></span><span style="FONT-FAMILY: 宋体">打得火热，窃取了</span><span lang="EN-US">Web Service</span><span style="FONT-FAMILY: 宋体">甚至</span><span lang="EN-US">Semantic Web</span><span style="FONT-FAMILY: 宋体">的一整套技术标准和方案，而且居然说网格是建立在因特网之上，又独立于因特网的应用平台，也有人干脆说下一代因特网就是网格，乖乖，连</span><span lang="EN-US">T.B.</span><span style="FONT-FAMILY: 宋体">李爵士都不敢说</span><span lang="EN-US">Semantic Web</span><span style="FONT-FAMILY: 宋体">（语义万维网）会取代</span><span lang="EN-US">Web</span><span style="FONT-FAMILY: 宋体">。</span> <p class="MsoNormal"><span style="FONT-FAMILY: 宋体">据说到</span><span lang="EN-US">2002</span><span style="FONT-FAMILY: 宋体">年</span><span lang="EN-US">6</span><span style="FONT-FAMILY: 宋体">月网格界开过“遵义会议”、提出</span><span lang="EN-US">OGSA</span><span style="FONT-FAMILY: 宋体">（开放网格服务基础架构）草案之后才使网格“走上了正确的道路”，然而——</span></p><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">“近一两年的实践证明，<span lang="EN-US">OGSI</span>存在明显的不足。其过分强调网格服务和<span lang="EN-US">Web</span>服务的差别，导致了两者之间不能更好地融合在一起。由于<span lang="EN-US">OGSI</span>单个规范中的内容太多，所有接口和操作都与服务数据有关，缺乏通用性，而且<span lang="EN-US">OGSI</span>规范没有对资源和服务进行区分。<span lang="EN-US">OGSI</span>使用目前的<span lang="EN-US">Web</span>服务和<span lang="EN-US">XML</span>工具不能良好工作，其过于采用<span lang="EN-US">XML</span>模式，比如<span lang="EN-US">xsd:any</span>基本用法、属性等，这种性质可能造成移植性差的问题。”</span><a href="http://www.gridhome.com/dvnews/show.aspx?id=1248&amp;cid=23"><span class="MsoFootnoteReference"> </span><span lang="EN-US"><span><span class="MsoFootnoteReference"><span lang="EN-US" style="FONT-SIZE: 10.5pt" ;="" roman="" new="" times="">[1]。</span></span></span></span></a></a /></p><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">然而这时候问题也还没有完全解决，直到据说最近要推出的包含</span><span lang="EN-US">WSRF</span><span style="FONT-FAMILY: 宋体">的</span><span lang="EN-US">WGSA2.0</span><span style="FONT-FAMILY: 宋体">，才算与</span><span lang="EN-US">W<chmetcnv unitname="C" sourcevalue="3" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on" />3C</chmetcnv /></span><span style="FONT-FAMILY: 宋体">完全彻底地同流合污，（当然今年年初发布的网格操作系统</span><span lang="EN-US">Globus Toolkit 4</span><span style="FONT-FAMILY: 宋体">（</span><span lang="EN-US">GT4</span><span style="FONT-FAMILY: 宋体">）已经完全支持</span><span lang="EN-US">WSRF</span><span style="FONT-FAMILY: 宋体">了，</span><span lang="EN-US">ChinaGrid</span><span style="FONT-FAMILY: 宋体">的对应中间件产品是</span><span lang="EN-US">CGSP</span><span style="FONT-FAMILY: 宋体">，具有国际一流水平</span><span class="MsoFootnoteReference"><span lang="EN-US"><span><span class="MsoFootnoteReference"><span lang="EN-US" style="FONT-SIZE: 10.5pt" ;="" roman="" new="" times=""><a href="http://www2.ccw.com.cn/05/0525/b/0525b01_1.asp">[2]</a> </span></span></span></span></span><span style="FONT-FAMILY: 宋体">，呵呵）。</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体">现在看起来，宏观上网格成了</span><span lang="EN-US" style="FONT-SIZE: 10.5pt" ;="" roman="" new="" times="">Web</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体">服务的一种特例，微观上网格对于</span><span lang="EN-US" style="FONT-SIZE: 10.5pt" ;="" roman="" new="" times="">Web</span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体">服务的许多规范进行了进一步定义，以适应分布环境下各类资源的分配与调度、存储管理、支持工作流和安全特性等等功能细节，也是一套标准规范以及符合这些标准规范的应用软件。可以看到网格实际上也为数字图书馆的建设提供了更进一步的标准化环境，支持网格的数字图书馆解决方案可以直接将应用建立在相应的网格平台上，可以省去许多标准规范定义和中间件开发之苦。这就像生产汽车一样，如果你自己定义各类组建标准，你可以生产各种怪模怪样的外星汽车，然而你如果符合一套汽车行业标准规范，可能只能生产小汽车了，虽然想象力大大受限，但是由于组建的标准化，具有了更大的灵活性和巨大的成本优势。</span></p><p class="MsoNormal"><span lang="EN-US"></span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">网格命运多桀，不用精通技术就能知道，受技术界的误导，人们对网格的期待过于理想化了。最新一期《信息周刊》中</span><a title="" href="http://www.informationweek.com.cn/index.asp?INCName=mdarticlecontent&amp;TopicTypeID=7&amp;ArticleID=296" name="_ftnref3"><span class="MsoFootnoteReference"><span lang="EN-US"><span><span class="MsoFootnoteReference"><span lang="EN-US" style="FONT-SIZE: 10.5pt" ;="" roman="" new="" times="">[3]</span></span></span></span></span></a><span style="FONT-FAMILY: 宋体">有这样的文字：</span></p><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">“当网格计算<span lang="EN-US">3</span>年前从美国国家研究实验室推广到商业计算领域时，它给人的印象是无所不能。它向人们描绘了一系列令人兴奋的功能，比如让桌面电脑变得也像超级计算机那样强劲；让用户摆脱他们部门的技术局限；通过采用了<span lang="EN-US">Globus Toolkit</span>的网格计算，就能在互联网上找到最佳的电脑和数据库来解决复杂计算问题。<span lang="EN-US">……</span>比尔&amp;#8226;盖茨（<span lang="EN-US">Bill Gates</span>）曾这样表示：网格计算代表了“计算机科学的圣杯”。<span lang="EN-US"></span></span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">“但是，网格计算在开拓企业市场过程中却遇到了尴尬。惠普公司、<span lang="EN-US">IBM</span>公司、微软公司以及其他一些企业曾经希望采用<span lang="EN-US">Globus</span>软件，将客户 的计算机、磁盘驱动器、数据库和操作系统等组织成一个强大的网络，突破计算能力的企业边界。然而，到目前为止，还没有一家企业在现实中采用<span lang="EN-US">Globus</span>软件。”</span></p><p class="MsoNormal"><span lang="EN-US"></span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">如果还要进一步的证明，中国计算机报去年就登了一篇许多人视而不见、或者充耳不闻的文章：规避网格泡沫</span><a title="" href="http://www.ccnews.com.cn/04.01/product_wangge.htm" name="_ftnref4"><span class="MsoFootnoteReference"><span lang="EN-US"><span><span class="MsoFootnoteReference"><span lang="EN-US" style="FONT-SIZE: 10.5pt" ;="" roman="" new="" times="">[4]</span></span></span></span></span></a><span style="FONT-FAMILY: 宋体">，写得太好了，使偶不得不超出版权限制，摘登字数达到原作的</span><span lang="EN-US">90%</span><span style="FONT-FAMILY: 宋体">以上（如果被判侵权，请诸位为我募捐赔偿啊，呵呵）。摘要附于文后。</span></p><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">我国的网格研发方兴未艾，有五朵金花（见下），耗资该上亿了吧，工程应该没有粒子加速器那样庞大，所以也就没有杨振宁似的科学家谏言劝阻。网格本来可以做一个应用项目来做的，但是我国的这五大网格却搞成试验田了，看一看他们的论文就知道了，(这里有一篇国内号称<a href="http://www.ict.ac.cn/3-2-22.htm">最牛的牛人</a>的文章，介绍<a href="http://jcst.ict.ac.cn/downloads/xsqy/qy1301.pdf">知识网格</a>，使人雾里看花，仿佛科幻小说，又不知所云)。许多东西八字没有一撇就吹得神乎其神，顶多给</span><span lang="EN-US">SCI</span><span style="FONT-FAMILY: 宋体">收录一把，毕业一批硕士博士，给国外培养些人才，说到应用，将来还得引进别人的产品。</span></p><p class="MsoNormal"><span lang="EN-US"></span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">国内网格五朵金花：</span></p><ul><li><div class="MsoNormal" style="MARGIN-LEFT: 36pt; TEXT-INDENT: -18pt"><span lang="EN-US">863</span><span style="FONT-FAMILY: 宋体">中国国家网格</span><span lang="EN-US">China National Grid</span></div></li><li><div class="MsoNormal" style="MARGIN-LEFT: 36pt; TEXT-INDENT: -18pt"><span style="FONT-FAMILY: 宋体">国家自然科学基金委</span><span lang="EN-US">China Science Grid</span></div></li><li><div class="MsoNormal" style="MARGIN-LEFT: 36pt; TEXT-INDENT: -18pt"><span lang="EN-US">973</span><span style="FONT-FAMILY: 宋体">语义网格</span><span lang="EN-US">China Semantic Grid</span></div></li><li><div class="MsoNormal" style="MARGIN-LEFT: 36pt; TEXT-INDENT: -18pt"><span style="FONT-FAMILY: 宋体">中国教育科研网格</span><span lang="EN-US">ChinaGrid</span></div></li><li><div class="MsoNormal" style="MARGIN-LEFT: 36pt; TEXT-INDENT: -18pt"><span style="FONT-FAMILY: 宋体">上海网格</span><span lang="EN-US">ShanghaiGrid</span></div></li></ul><p class="MsoNormal"><span lang="EN-US"></span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">国内鼓吹网格者众，各有各的目标和利益，因特上的网格资源也很多，</span><span lang="EN-US">w3china</span><span style="FONT-FAMILY: 宋体">网站上的一个帖子中报道了下面这些资源：</span></p><p><span lang="EN-US"><a href="http://www.semanticgrid.org/" target="_blank">http://www.semanticgrid.org/</a> <br /><a href="http://www.mygrid.org.uk/" target="_blank">http://www.mygrid.org.uk/</a> myGrid</span>项目主页<span lang="EN-US"><br /><a href="http://www-106.ibm.com/developerworks/grid/" target="_blank">http://www-106.ibm.com/developerworks/grid/</a><br /><a href="http://www.gridforum.org/" target="_blank">http://www.gridforum.org/</a> Global Grid Forum(GGF)</span>官方主页<span lang="EN-US"><br /><a href="http://www.globus.org/" target="_blank">http://www.globus.org/</a><br /><a href="http://www.rcuk.ac.uk/escience/" target="_blank">http://www.rcuk.ac.uk/escience/</a> e-Science</span>计划<span lang="EN-US"><br /><a href="http://www.gridcomputingplanet.com/" target="_blank">http://www.gridcomputingplanet.com/</a> </span>工业界的<span lang="EN-US">Grid</span>新闻网站<span lang="EN-US"><br /><a href="http://people.cs.uchicago.edu/~foster/" target="_blank">http://people.cs.uchicago.edu/~foster/</a> Ian Foster</span>个人主页<span lang="EN-US"><br /><a href="http://www.neresc.ac.uk/ws-gaf/" target="_blank">http://www.neresc.ac.uk/ws-gaf/</a> WS-GAF</span></p><p /><p>国内网站<span lang="EN-US"><br />------------------<br /><a href="http://kg.ict.ac.cn/" target="_blank">http://kg.ict.ac.cn/</a> </span>中科院的<span lang="EN-US">Knowledge Grid</span>主页<span lang="EN-US"><br /><a href="http://www.gridhome.com/" target="_blank">http://www.gridhome.com/</a> </span>中国网格信息中转站，国内最早、最大的<span lang="EN-US">Grid</span>主题网站，基本上相当于刘鹏的个人网站，有大量的资料可以下载。<span lang="EN-US"></span></p><p /><p><span lang="IT"><a href="http://bbs.w3china.org/list.asp?boardid=57">http://bbs.w3china.org/list.asp?boardid=57</a> W3CHINA Grid</span>版<span lang="IT"></span></p><p /><p class="MsoNormal"><span lang="IT">“</span><span style="FONT-FAMILY: 宋体">中国语义网格</span><span lang="IT">”</span><span lang="EN-US"><a href="http://www.semgrid.net/" target="_blank"><span lang="IT">http://www.semgrid.net/</span></a></span><span style="FONT-FAMILY: 宋体">（</span><span style="FONT-FAMILY: 宋体">与知识网格</span><span lang="EN-US"><a href="http://kg.ict.ac.cn/" target="_blank"><span lang="IT">http://kg.ict.ac.cn</span></a></span><span style="FONT-FAMILY: 宋体">同宗</span><span style="FONT-FAMILY: 宋体">，</span><span style="FONT-FAMILY: 宋体">属诸葛海</span><span style="FONT-FAMILY: 宋体">）；</span><span style="FONT-FAMILY: 宋体">下一代</span><span lang="IT">WEB</span><span style="FONT-FAMILY: 宋体">服务联合研究中心</span><span lang="IT">Joint Centre of Excellence on Web Services Computing </span><span lang="EN-US"><a href="http://www.cs.cityu.edu.hk/~csqli/research-projects/WfView_B2B/content.htm" target="_blank"><span lang="IT">http://www.cs.cityu.edu.hk/~csqli/research-projects/WfView_B2B/content.htm</span></a></span><span style="FONT-FAMILY: 宋体">；<br /></span></p><p class="MsoNormal"><br /><span style="FONT-FAMILY: 宋体"></span><span lang="IT"></span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">计算机及网络设施、软件和信息资源，是网格应用的三条腿，（当然还有一种说法，把“人”也网进去，作为网格应用的起点和终点）。长期以来网格只重视硬件资源的调度和共享，目前已开始重视相应的软件和应用系统</span><a title="" href="http://www.gridhome.com/dvnews/show.aspx?id=1229&amp;cid=23" name="_ftnref5"><span class="MsoFootnoteReference"><span lang="EN-US"><span><span class="MsoFootnoteReference"><span lang="EN-US" style="FONT-SIZE: 10.5pt" ;="" roman="" new="" times="">[5]</span></span></span></span></span></a><span style="FONT-FAMILY: 宋体">，然而对于第三条腿“信息资源”，国外还有一个</span><span lang="EN-US">Semantic Grid</span><span style="FONT-FAMILY: 宋体">，（国外从</span><span lang="EN-US">E-Science</span><span style="FONT-FAMILY: 宋体">到</span><span lang="EN-US">Cyberinfrastructure</span><span style="FONT-FAMILY: 宋体">等与网格相关的研究开发无不把信息资源的利用共享、满足用户的信息需求放在首位，此所谓老槐的“人文性”吧），而我们虽然也有“知识网格”、“中国语义网格”，然而看看其中的研究内容你就会发现，还是计算机科学家们玩的把戏，实验室里的东东。这第三只腿怎么办？按我的认识甚至可以把这第三只腿看成是需要前两只腿支起的整个身子，这身子就是具体应用中的大量的信息资源内容（当然各类应用中的信息资源有时也只是过程手段而不是目的，例如电子商务中的信息流），这整个语义内容架构就是我们应该关心的，目前这方面的研究还太少，刚刚起步，数字图书馆的研究对象和内容就是解决这个问题的，网格也与</span><span lang="EN-US">Web</span><span style="FONT-FAMILY: 宋体">或者</span><span lang="EN-US">Semantic Web</span><span style="FONT-FAMILY: 宋体">（</span><span lang="EN-US">Sowa</span><span style="FONT-FAMILY: 宋体">建议</span><span lang="EN-US">Semantic Web</span><span style="FONT-FAMILY: 宋体">改名为</span><span lang="EN-US">Syntactic Web</span><span style="FONT-FAMILY: 宋体">，因为他认为</span><span lang="EN-US">SW</span><span style="FONT-FAMILY: 宋体">一点都不语义）一样只是一个知识的平台而已，数字图书馆才是其上真正有价值的东西。<br /></span></p><div id="ftn5"><p class="MsoFootnoteText"><span lang="EN-US"><br /></span></p></div><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">附：</span><b><span style="FONT-FAMILY: 宋体">规避网格泡沫</span><span lang="EN-US"></span></b></p><p /><p class="MsoNormal"><b><span style="FONT-FAMILY: 宋体">特约作者</span> </b><b><span style="FONT-FAMILY: 宋体">任洁</span><span lang="EN-US"></span></b></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 宋体">参见</span><span lang="EN-US"><a href="http://www.ccnews.com.cn/04.01/product_wangge.htm">http://www.ccnews.com.cn/04.01/product_wangge.htm</a></span><span style="FONT-FAMILY: 宋体">，未经授权，多有冒犯。</span></p><p class="MsoNormal"><b><span lang="EN-US">(</span></b><b><span style="FONT-FAMILY: 宋体">网格</span><span lang="EN-US">)<span> </span></span></b><b><span style="FONT-FAMILY: 宋体">像个小姑娘</span> </b><b><span style="FONT-FAMILY: 宋体">被别人随意打扮</span><span lang="EN-US"></span></b></p><p /><p class="MsoNormal"><span lang="EN-US"></span><span style="FONT-FAMILY: 华文楷体">　 　网格确切的概念到目前为止，在学术界还没有得到统一。网格到底是什么，不是什么，网格应该是什么样的，有什么标准，到目前还没有定论。至少从目前的很多专家口中说出来还都是不一样的。每一个人的出发点是不一样的，每一个人的利益也是不同的，因此在现实中，网格到现在还没有一个权威的、统一的定义。<span lang="EN-US"><br /></span>　 　有人说网格是一种标准，有人说网格是一种方法，最早从事网格项目，目前在网格界最有影响力的是<span lang="EN-US">Ian foster,</span>他为网格制定了三个标准，<span lang="EN-US">(1) </span>在非集中控制的环境中协同使用资源；<span lang="EN-US">(2)</span>使用标准的、开放的和通用的协议和接口（<span lang="EN-US">Ian Foster </span>认为目前只有<span lang="EN-US">Globus </span>才算得上标准协议）；<span lang="EN-US">(3) </span>提供非平凡的服务。这个标准虽然是权威口中说出来的，但是并没有得到广泛的认同。<span lang="EN-US"><br /></span></span><span lang="EN-US">……</span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">　　虽然将网 格比作电网，已经得到人们认同，但是这个概念并不能指导人们现在的工作和科研。就现实情况看，可以把网格和网格技术分开来，网格技术是一种概念和思想，它的本质是资源和信息共享以及协同。一切符合这个思想概念，能够完成过去传统技术不能完成的工作的技术都可以称为网格技术。网格一般来说是个基础设施，因为 要建立在资源和信息充分共享的基础上，所以网格要整合很多异构的资源和不同的信息系统，就需要依赖公共标准。网格标准需要是开放的，它不能被控制在某个企业手中。对于网格的用户来说，他们面对网格的接口需要是非常简单的，用户不必关心网格底层到底有多么复杂，他们所看到的网格是一个统一整体，完成的是一个 统一的功能。<span lang="EN-US"></span></span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">　　在<span lang="EN-US">IT</span>业界，在大公司的口中，网格其实是被用作广告的噱头。通过他们的口中，公众实际上了解到的是，网格是一种高新技术，是下一代<span lang="EN-US">Internet</span>，是下一个信息技术浪潮。如果用户不跟上这个浪潮就会落伍。但是网格到底是什么，到底怎么应用，网格给公众，给企业到底带来的是什么，实际上各家有各家的说法，甚至有的还没有说清楚。<span lang="EN-US"></span></span></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">　　<span lang="EN-US">IT</span>厂商好似一个纯熟的画匠，给用户画了一幅看起来特别美的油画，但是到底画的是什么，模模糊糊，搞不明白。这已经是<span lang="EN-US">IT</span>公司惯用的伎俩，也是他们培养任何一个产业都需要吹的泡泡，相信<span lang="EN-US">IT</span>业界已经习惯了公司吹出来的各式各样的泡泡了。<span lang="EN-US"></span></span></p><p /><p class="MsoNormal"><b><span style="FONT-FAMILY: 宋体">网格年轻的心</span> </b><b><span style="FONT-FAMILY: 宋体">并非足够坚强</span><span lang="EN-US"></span></b></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">　 　网格是一个还未长大成人的孩童，可塑性太强。总体上看，网格技术目前还处在初级阶段，对于大多数应用领域，尤其是在商业应用，网格都不是成熟到能够达到实用的地步。目前，网格计算领域已被具体划分成计算网格、数据网格、信息网格、服务网格、语义网格等等。其中，计算网格相对研究的最早，目前已经有了一些 现实工作。美国建立了他们的计算网格，中国也建立了国家高性能计算环境，而且目前也正在进一步完善这个计算网格的功能。<span lang="EN-US"><br /></span>　　计算网格应用的工作还处在探索阶段，网格的力量还不能像很多人想象的那样，即把全国巨型机和高性能集群用高速网络连接起来，就可以组成一个相当于所有巨型机计算能力之和的一个具有庞大计算能力的超级计算机。<span lang="EN-US">……</span>目前针对一个计算任务，联合调度多个计算资源服 务的技术问题，已经进行了很多研究，但还只适用于某些通讯需求很少的应用，对于绝大多数应用都还没有超过在单台高性能巨型机上运行的效果。计算网格中下一步要解决的都是比较艰巨的问题，不是短期内能够完善达到所提出的高吞吐率，联合调度，资源预约，鲁棒性等目标要求。<span lang="EN-US"><br /></span>　　数据网格在国外，针对其应用的研究已经取得了阶段性成果，主要是面向高能物理，化学等领域。这些项目目标明确，特点分明，虽然数据网格的实现技术可以借鉴，但是不具有通用性。通用的数据网格产品有<span lang="EN-US">SRB,AVAKI</span>等。目前已经有比较稳定的基本功能实现，但是还没有见到典型的、成功的应用实例，特别是针对商业应用。<span lang="EN-US">……</span>数据网格的现状是 有一些阶段性成果和产品，正在积极的寻找应用。处在结合和发展阶段。<span lang="EN-US"><br /></span>　　信息网格的前景被很多<span lang="EN-US">IT</span>厂商和专家看好。政府，军队，大公司都有强烈的需求。但是专家和技术人员，现今还处于初步讨论阶段，并没有任何有实际意义的原型和产品出现。而实际上，开发原形产品是一项极其艰难的任务。为了实现软件的互通互操作，在中间件领域已经进行了长期的研究，各大公司投入巨资进行标准定义，软件开发，并且已经形成了一个中间件产业。而对于信息网格来说，这仅仅是一个基本的要求。信息网格不仅需要软件能够互通互操作，而且需要在此基础上提炼所有有用信息，并把用户最关心的内容及时的、准确的、经过智能的分析整理，并用最终用户容易理解的方式，送到用户手中，为政府官员，军队指挥官，公司经理的决策提供依据。对于这个目标，信息网格技术大概在２０２０年内可以实现并支持这样的体系。<span lang="EN-US"><br /></span>　　服务网格核心思想是各行各业把相关业务实现成<span lang="EN-US">Web Services</span>（网络服务）的形式，让用户能够通过网络获得服务，或者是让其它的业务软件能够调用。公司对外提供服务，当然是收费或者靠业务获得利益，政府机构，事业单位也可以用这种方式提高工作效率，节省大量的成本。<span lang="EN-US"></span></span></p><p /><p class="MsoNormal"><span lang="EN-US" style="FONT-FAMILY: 华文楷体">……</span></p><p /><p class="MsoNormal"><b><span style="FONT-FAMILY: 宋体">像一个框</span> </b><b><span style="FONT-FAMILY: 宋体">什么都来装</span><span lang="EN-US"></span></b></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">　 　就因为网格技术可大可小，可通用，可具体。现实中，很多围绕网格话题的科研课题的研究方向非常前沿，内容十分复杂。全球研究机构重点研究方向集中在，如何在超大规模、组成极其复杂的情况下，实现网格技术，例如我国<span lang="EN-US">863</span>计划正在实行的<span lang="EN-US">“</span>中国国家网格<span lang="EN-US">”</span>，教育部实施的<span lang="EN-US">“</span>教育科研网格<span lang="EN-US">”</span>，欧洲的<span lang="EN-US">Data Grid</span>项目和<span lang="EN-US">UniCore</span>。研究一种通用建设网格的方法，往往是一个长期的目标，不是短时间内就可以把所有问题都解决。<span lang="EN-US"><br /></span>　　当前很多公司，政府机构，学校，某些行业都确确实实感觉到了网格的必要性，他们大多是对底层组织机构中资源分散，彼此相互孤立的现状感到不满。他们对网格技术的需求是比较旺盛的，只是现有的<span lang="EN-US">IT</span>技术，还达不到他们的要求。<span lang="EN-US"><br /></span>　 　如何协同社会各个行业，各个部门的功能，来共同解决复杂的问题，这是当今网格标准制定的方向。例如在一个交通网格中，一个交通服务公司来为所有驾驶员提供选择交通路线的服务，这些服务应包含气象服务、<span lang="EN-US">GPS</span>定位服务、道路建设部门服务。为了达到这种全社会网格（或者称为服务网格）的目标，各个行业就需要把本行业对外的业务电子化，信息化，<span lang="EN-US">Web Services</span>（网络服务）化。这个过程大概是在５年以后才会陆续出现，并且会不断的发展壮大，并在１０年后或者更长的时间内达到成熟。在这之前很多企业和部门就需要为这样的业务运行方式进行技术上的准备。<span lang="EN-US"></span></span></p><p /><p class="MsoNormal"><b><span style="FONT-FAMILY: 宋体">商业应用</span> </b><b><span style="FONT-FAMILY: 宋体">永远利字当头</span><span lang="EN-US"></span></b></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">　　商业都是要盈利的，而网格的普及，在很多情况下强调 的是一种基础设施，就象水电、桥梁道路、<span lang="EN-US">internet</span>一样，各种应用是要在这样的基础设施上运行的。建设这样的基础设施很大程度上需要政府来介入，比 如说，美国建设了计算网格，用高速网络联系了多个超级计算中心，各个超级计算中心或者说整个计算网格的运行基本上是靠国家补贴来维持，并不能靠出售计算能力来达到收支平衡。<span lang="EN-US"><br /></span>　　国家提供的高性能计算力来解决各种应用问题，带来的是国家整体利益的增加，而不是网格自身的盈利。对于存储网格，数据网格，数据库网格等，是完全可以靠<span lang="EN-US">IT</span>公司的摸索来实现。其模式是为其它企业提供非常专业的存储服务，数据库服务等。<span lang="EN-US"><br /></span>　 　建设存储网格，数据网格，数据库网格，是可以盈利的，但是其前期投入和维护的成本都会很高。鉴于在网格平台之上应用苦乏，网格技术还不成熟，相关法律还不健全的情况下，建设这样的基础设施很可能亏本，包括成为这样的网格客户都是要冒风险的，其网格客户群体需要一个长期的培养过程。<span lang="EN-US"></span></span></p><p /><p class="MsoNormal"><b><span lang="EN-US">CIO</span></b><b><span style="FONT-FAMILY: 宋体">慎看网格</span><span lang="EN-US"></span></b></p><p /><p class="MsoNormal"><span style="FONT-FAMILY: 华文楷体">　 　网格是一项值得关注的技术，它是符合技术发展潮流的，但是其发展是需要比较长的时间。如果是大企业中的<span lang="EN-US">CIO</span>，企业自身有比较强的经济实力，现在就可以 积极研究网格技术在本企业的应用，如果能够领先其它企业早一步实现，无疑可以在企业的竞争中占据比较有利的位置。小公司、小企业，可以在网格这种基础设施建设好的情况下，积极利用各种网格平台带来的低成本，低风险，高效率的好处，把主要精力放在主要的盈利业务上去。<span lang="EN-US"><br /></span>　　对于政府部门<span lang="EN-US">CIO</span>来说，目前就需要制定中长期的建设计划，比如，卫生部门，如果希望在十年内能够实现一个卫生系统的网格，或者为社会服务网格提供相应的卫生系统的服务。那么就需要整合各个医院的信息系统，实现信息的互通或者能够在上面进行信息集成。<span lang="EN-US"></span></span></p><p />]]></description> 
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<dc:subject>读书笔记</dc:subject> 
<dc:date>2005-07-26T23:06:59Z</dc:date> 
<feedburner:origLink>http://meta.bokee.com/2397584.html</feedburner:origLink><enclosure url="http://feedproxy.google.com/~r/diglib/~5/gsv1aQmThGU/qy1301.pdf" length="280486" type="application/pdf" /><feedburner:origEnclosureLink>http://jcst.ict.ac.cn/downloads/xsqy/qy1301.pdf</feedburner:origEnclosureLink></item> 
<item> 
<title><![CDATA[软件开发项目评分表]]></title> 
<link>http://feedproxy.google.com/~r/diglib/~3/I3DUz8by3TY/2386122.html</link> 
<description><![CDATA[
有时很难评判软件公司开发方案，采用专家评分方法可以“显得&amp;quot;比较客观公允，主管部门也可以据此“免责”。当然任何程序都有被“误导”和“利用”的可能，不是绝对的。<br /><br />在这里贴出我们常用的一个评分表，供大家参考，如果有高见也请指出，在此谢过了！<br /><br /><br /><font size="3">（数图）软件开发项目专家评分表</font><br /><br />

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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 14pt; font-family: 宋体;">序号<span lang="EN-US"><o:p /></span></span></p>
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  <td width="119" rowspan="2" style="border-style: solid solid solid none; border-color: black black black -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; background: white none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; width: 89pt; height: 19.5pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 14pt; font-family: 宋体;">标书要求<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 14pt; font-family: 宋体;">评分<span lang="EN-US"><o:p /></span></span></p>
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  <td width="131" rowspan="2" style="border-style: solid solid solid none; border-color: black black black -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; background: white none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; width: 98pt; height: 19.5pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 14pt; font-family: 宋体;">条件<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" rowspan="2" style="border-style: solid solid solid none; border-color: black black black -moz-use-text-color; border-width: 1pt 1pt 1pt medium; padding: 0cm 5.4pt; background: white none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; width: 54pt; height: 19.5pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 14pt; font-family: 宋体;">权值<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span lang="EN-US" style="font-size: 14pt; font-family: 宋体;">5</span><span style="font-size: 14pt; font-family: 宋体;">好<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; background: white none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; width: 54pt; height: 19.5pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span lang="EN-US" style="font-size: 14pt; font-family: 宋体;">4</span><span style="font-size: 14pt; font-family: 宋体;">较好<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; background: white none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; width: 54pt; height: 19.5pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span lang="EN-US" style="font-size: 14pt; font-family: 宋体;">3</span><span style="font-size: 14pt; font-family: 宋体;">中等<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; background: white none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial; width: 54pt; height: 19.5pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span lang="EN-US" style="font-size: 14pt; font-family: 宋体;">2</span><span style="font-size: 14pt; font-family: 宋体;">较差<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span lang="EN-US" style="font-size: 14pt; font-family: 宋体;">1</span><span style="font-size: 14pt; font-family: 宋体;">很差<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">方案总体情况<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.</span><span lang="EN-US" style="font-size: 7pt;">       
  </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">方案是否完整<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">方案中是否包含投标建设方案要求中提到的所有内容<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1<o:p /></span></p>
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  <td width="44" valign="top" rowspan="3" style="border-style: none solid solid; border-color: -moz-use-text-color black black; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 33pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">2.</span><span lang="EN-US" style="font-size: 7pt;">       
  </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <td width="119" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 89pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">任务目标<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">项目需求分析和目标定位是否准确<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1<o:p /></span></p>
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  <td width="725" valign="top" colspan="9" style="border-style: none solid solid; border-color: -moz-use-text-color black black; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 544pt; height: 15pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">设计方案<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">3.</span><span lang="EN-US" style="font-size: 7pt;">       
  </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">系统架构设计是否合理<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">是否紧扣应用需求，<span style="color: navy;">日后运行、维护成本如何</span><span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">4.</span><span lang="EN-US" style="font-size: 7pt;">       
  </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <td width="119" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 89pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">应用功能是否完整<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">是否包含所有标书所提到的所有应用功能要求<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">5.</span><span lang="EN-US" style="font-size: 7pt;">       
  </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <td width="119" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 89pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">应用框架是否合理、实用<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">总体应用框架是否符合业务要求；<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">6.</span><span lang="EN-US" style="font-size: 7pt;">       
  </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">是否充分了解具体应用<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体; color: navy;">比如是否对需求变动、元数据方案的修改有较好的支持能力<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">7.</span><span lang="EN-US" style="font-size: 7pt;">       
  </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">系统硬件配置要求是否有依据<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">结合应用，适度超前<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1<o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">设计原则的体现<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">8.</span><span lang="EN-US" style="font-size: 7pt;">       
  </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">先进性<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">设计思路与技术路线<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">9.</span><span lang="EN-US" style="font-size: 7pt;">    </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">实用性<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">应用、系统管理<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">10.</span><span lang="EN-US" style="font-size: 7pt;">    </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">标准化<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">业务规范、技术标准、示范效应<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">11.</span><span lang="EN-US" style="font-size: 7pt;">    </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">扩展性<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
  </td>
  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">系统配置、应用扩展<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <td width="725" valign="top" colspan="9" style="border-style: none solid solid; border-color: -moz-use-text-color black black; border-width: medium 1pt 1pt; padding: 0cm 5.4pt; width: 544pt; height: 15pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">投标公司<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">12.</span><span lang="EN-US" style="font-size: 7pt;">    </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">公司质量管理水平与开发能力<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">13.</span><span lang="EN-US" style="font-size: 7pt;">    </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">公司人力资源与后续支撑能力<span lang="EN-US"><o:p /></span></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">投资预算<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">14.</span><span lang="EN-US" style="font-size: 7pt;">    </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">报价项目是否清晰明确合理<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="72" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 54pt; height: 15.6pt;">
  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <td width="131" valign="top" rowspan="3" style="border-style: none solid solid none; border-color: -moz-use-text-color black black -moz-use-text-color; border-width: medium 1pt 1pt medium; padding: 0cm 5.4pt; width: 98pt; height: 15.6pt;">
  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">是否与设计方案吻合<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1<o:p /></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">15.</span><span lang="EN-US" style="font-size: 7pt;">    </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">报价<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">价格是否合理<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1.5<o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体; color: navy;">其他<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">16.</span><span lang="EN-US" style="font-size: 7pt;">    </span><span lang="EN-US" style="font-size: 12pt;"> <o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体;">　<span lang="EN-US"><o:p /></span></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p align="center" class="MsoNormal" style="text-align: center;"><span style="font-size: 12pt; font-family: 宋体;">　</span><span lang="EN-US" style="font-size: 12pt;"><o:p /></span></p>
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  <p class="MsoNormal" style=""><span style="font-size: 12pt; font-family: 宋体; color: navy;">参评人员认为其他值得加分的指标，请给出指标名称。<span lang="EN-US"><o:p /></span></span></p>
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  <p class="MsoNormal" style=""><span lang="EN-US" style="font-size: 12pt;">1<o:p /></span></p>
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<br />
]]></description> 
<guid isPermaLink="false">2386122@http://meta.bokee.com/</guid> 
<dc:subject>数图建设</dc:subject> 
<dc:date>2005-07-25T23:23:07Z</dc:date> 
<feedburner:origLink>http://meta.bokee.com/2386122.html</feedburner:origLink></item> 
<item> 
<title><![CDATA[资源集合元数据方案的一些问题]]></title> 
<link>http://feedproxy.google.com/~r/diglib/~3/YweE02cJzMA/2357643.html</link> 
<description><![CDATA[







<p class="MsoNormal"><span style="font-family: 宋体;">看到</span><span lang="EN-US">Pete</span><span style="font-family: 宋体;">给</span><span lang="EN-US">Partrick</span><span style="font-family: 宋体;">的<a href="http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind0507&amp;L=dc-collections&amp;D=0&amp;T=0&amp;P=3776">一封信</a>中讨论了一些我们一直在争论和困惑的问题，引申出一些思考，写在这里留存。</span></p>

<p class="MsoNormal"><span lang="EN-US"></span></p>

<p class="MsoNormal" style="margin-left: 21.25pt; text-indent: -21.25pt;"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">1<span normal="" font-stretch="" none="" font-size-adjust="" line-height="" 7pt="" font-size="" font-weight="" font-variant="" font-style="" ;="" roman="" new="" times="" style="">          
</span></span></span><!--[endif]--><span style="font-family: 宋体;">资源集合的类型标注Type</span></p><p class="MsoNormal" style="margin-left: 49.6pt; text-indent: -1cm;"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">1.1<span normal="" font-stretch="" none="" font-size-adjust="" line-height="" 7pt="" font-size="" font-weight="" font-variant="" font-style="" ;="" roman="" new="" times="" style="">         
</span></span></span><!--[endif]--><span style="font-family: 宋体;">资源集合由多种类型的资源对象（</span><span lang="EN-US">Item</span><span style="font-family: 宋体;">）组成；（目前采用</span><span lang="EN-US">dc:type
cldtype:collectionText</span><span style="font-family: 宋体;">等来编码，有建议增加属性</span><span lang="EN-US">cld:itemType</span><span style="font-family: 宋体;">）</span></p>

<p class="MsoNormal" style="margin-left: 49.6pt; text-indent: -1cm;"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">1.2<span normal="" font-stretch="" none="" font-size-adjust="" line-height="" 7pt="" font-size="" font-weight="" font-variant="" font-style="" ;="" roman="" new="" times="" style="">         
</span></span></span><!--[endif]--><span style="font-family: 宋体;">资源集合的类型采用类型词表专指度不够，如何扩展？（Pete例举了一种自定义subtypes/subclasses）</span></p>

<p class="MsoNormal" style="margin-left: 49.6pt; text-indent: -1cm;"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">1.3<span normal="" font-stretch="" none="" font-size-adjust="" line-height="" 7pt="" font-size="" font-weight="" font-variant="" font-style="" ;="" roman="" new="" times="" style="">         
</span></span></span><!--[endif]--><span style="font-family: 宋体;">资源集合内的资源对象，既有数字对象，又有非数字对象，如何描述（见Pete的举例）？</span></p>

<p class="MsoNormal" style="margin-left: 49.6pt; text-indent: -1cm;"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">1.4<span normal="" font-stretch="" none="" font-size-adjust="" line-height="" 7pt="" font-size="" font-weight="" font-variant="" font-style="" ;="" roman="" new="" times="" style="">         
</span></span></span><!--[endif]--><span style="font-family: 宋体;">资源集合内的资源对象，有些有对象级元数据，有些没有，如何描述？（Pete提到RDFS具有更强的表达能力，但是存在不规范的危险。现在DCMI还没有提供基于RDFS的BestPractice）。</span></p>2 机构责任者Institution Responsible<br />        2.1 资源集合的责任者定义为资源集合的“收集者”，并不是我们通常认为的资源集合的“创建者”即”数字化者“，而且物理集合的收集者和数字资源集合的收集者可能不是同一个；<br />        2.2 DCMI不提供任何元素或机制表达描述对象数字化前后的关系，当然具体应用时可以用dc:relation来表示；<br />       2.3 资源集合常常有一个资源对象的目录，如何描述？<br /><br />3 位置（场所/地点）Location<br />DCMI目前倾向于将Location作为描述物理馆藏位置的元素，数字馆藏采用isAccessedVia，但是现在还没有最后结论。参见<span lang="EN-US">http://www.ukoln.ac.uk/metadata/dcmi/collection-model/<br /><br />4 合作伙伴的描述(为什么在DC CD AP中没有采用dc:Contributor)<br />DC的资源集合描述的功能需求中没有提到相关贡献者的描述需要，但是如果需要，在应用中是完全可以复用这些元素的。为什么不呢？<br />如果要描述责任者责任方式（即对dc:Creator进行限定）DCMI目前倾向于复用国会图书馆维护的MARC的责任方式描述（</span><span lang="EN-US">MARC
Relator Codes</span><span lang="EN-US">），作为一种规范词表。这个责任方式词表可谓足够详细了。DCMI对于是否把诸如此类的详细词表包括进来还很犹豫，但是不管它认不认定，具体项目中采用总是可以的。<br /><br />5 资助者<br />同理，DC CD AP没有描述元素，但是并不是说你不能描述。<br /><br />6 创建时间dc:Created<br />可以用以描述资源集合的数字化时间，或数字化项目的起讫时间，如果同时要描述资源内容的创建时间（而不是资源的数字化形式创建时间），情况就比较复杂。但是具体应用项目可以根据情况自行定义著录规则，如果需要明确多个时间，必须进行扩展修饰。<br />并非资源集合的上网时间。<br /><br />7 图标Logos<br />对于DCMI的抽象模型来说，任何资源、资源属性名、属性值都可以是字串、或者链接。对于Logo来说，链接可能比名字更具有意义——它毕竟是一个图形。</span><br /><p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p><span lang="EN-US"><span style=""></span>1)
type of collection</span>

<p class="MsoNormal"><span lang="EN-US"><span style="">    
</span>We would like to convey two kinds of information:</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">        
</span>1. This IS a collection of (retro-)digitized material (all of our
collections are of that same type).</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">        
</span>2. This is a collection of certain item types (newspapers,
encyclopedias, pamphlets, journals).</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">    
</span>At first glance, cld:CLDType seems to be appropriate for 1. But then we
would have to use dc:type cldtype:collectionText, and that's too generic for
our purpose. We would like to be able to distinguish collections of &amp;quot;born
digital texts&amp;quot; from those containing &amp;quot;digitized texts&amp;quot;.<span style="">  </span>I believe Issue 2 would be covered by
cld:itemType I think.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete</span><span style="font-family: 宋体;">：</span></p>

<p class="MsoNormal"><span lang="EN-US">Just to clarify, the property cld:itemType
was being suggested as an alternative approach to the current use of dc:type
i.e. rather than saying</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">collection:C dc:type
colltype:CollectionText . (&amp;quot;Collection C is a member of the class of
collections with items of type Text&amp;quot;)</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">we might say</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">collection:C cld:itemType dcmitype:Text .
(&amp;quot;Collection C has items of type Text&amp;quot;)</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">In both cases, I think it would be possible
to define a &amp;quot;local&amp;quot; type vocabulary to specify a subtypes/subclasses
of digitised textual items or &amp;quot;born digital&amp;quot; textual items </span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">collection:C dc:type
yourcolltype:CollectionDigitizedText . (&amp;quot;Collection C is a member of the
class of collections with items of type Digitized Text&amp;quot;)</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">or </span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">collection:C cld:itemType
yourtype:DigitizedText . (&amp;quot;Collection C has items of type
DigitizedText&amp;quot;)</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">where you define
yourcolltype:CollectionDigitizedText as a subclass of colltype:CollectionText
or yourtype:DigitizedText as a subclass of dcmitype:Text</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">It may be stretching the use of dc:type
slightly, but I think it could work.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Depending on whether you make information
about that subclass relationship available in machine-readable form (e.g. using
RDF Schema) then you might choose to include one of the first pair of
statements in your description as well, or you might choose to omit it and work
on the basis that consuming applications will infer it from your RDFS data.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Given that many DC applications - at the
moment at least ? are relatively &amp;quot;unintelligent&amp;quot; and may not act on
RDFS data to derive the additional statements, I think the former is probably a
safer course of action at the moment.</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span></span></p>

<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>2)
institution responsible</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">    
</span>Should be dc:creator.</span></p>

<p class="MsoNormal"><span lang="EN-US">I guess it depends exactly what you mean by
&amp;quot;institution responsible&amp;quot; ;-)</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>The
DC CD AP defines &amp;quot;An entity who gathers (or gathered) the items in a
collection together.&amp;quot; A basic question for us is: Does
&amp;quot;collection&amp;quot; in DC CD AP (in our case) mean: </span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">        
</span>a) the collection of items (prints), or</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">        
</span>b) the collection of digitized items (digitalia, metadata ON items)</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete:</span></p>

<p class="MsoNormal"><span lang="EN-US">As you suggest, there are (at least) two
different collections here, and I think it depends on the requirements of your
application whether you need to describe them both e.g. if the services you
provide make use of the collection of digitized items in part at least to
highlight the existence of the collection of physical items, then you may wish
to describe that second collection too. If on the other hand, your aim is to
faciliate the discovery of the digitized collection, then it may not be necessary
to describe the physical collection at all - having said that, information
about the physical collection might assist the user of the digital collection
in interpreting items within that collection.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">The DC CD AP does not provide any means of
expressing the relationship between these two collections (other than that they
are related in some unspecified way, using dc:relation).</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Again, depending on the requirements of you
application, you may also wish to create a collection description for the
catalogue (collection of metadata records) that describes your digital
collection.</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span></span></p>

<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">    
</span>If b), then the creator is the institution which conducted the
digitization project?<span style="">  </span>Not the collector
of the physical items, nor the digitization service provider, but the one who
defined the collection as a collection of records on other things?</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete:</span></p>

<p class="MsoNormal"><span lang="EN-US">Note that the DC CD AP uses the property
dc:creator to indicate the &amp;quot;collector&amp;quot; of a collection. That may or
may not be the agent that carried out the digitization (because I imagine those
digital items might be grouped into other collections after their digitization)
? but in your case it sounds like the collector is the digitizer. And, yes, as you
say, the collector of the physical collection and the collector of the digital
collection are probably different agents.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>3)
location</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">    
</span>gen:isLocatedAt. Which location is meant: Location of the physical
collection? Location of the server? Location of the institution which hosts the
(digital) collection? Location of the institution which created (cf:
dc:creator) the (digital) collection?</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete:</span></p>

<p class="MsoNormal"><span lang="EN-US">We still have an outstanding task (the
major task outstanding, I think) to clarify the distinction between the
Location and Service entities and the isLocatedIn and isAccessedVia
relations/properties.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">For some notes on the problems see</span></p>

<p class="MsoNormal"><span lang="EN-US">http://www.ukoln.ac.uk/metadata/dcmi/collection-model/</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>4)
cooperation partners</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete</span></p>

<p class="MsoNormal"><span lang="EN-US">Again, it depends exactly what this means.
What is the relationship between the collection and this agent/these agents?</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Partrick: </span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">   
</span>dc:contributor isn't mentioned in DC CD AP. Why?</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete:</span></p>

<p class="MsoNormal"><span lang="EN-US">I think my answer to this is similar to the
point I was trying to make in the discussion about dc:format: our task is not
to work out how to apply the properties defined by DCMI to the description of a
collection, but rather to identify what pieces of information about a
collection we wish to represent in order to meet the &amp;quot;functional
requirements&amp;quot; we set ourselves, and to specify how to to represent that
information within the framework provided by the Dublin Core Abstract Model.<br /></span></p><p class="MsoNormal">

</p><p class="MsoNormal"><span lang="EN-US">AFAIK, so far no-one has expressed a
requirement to represent some information that we would use the dc:contributor
property for. But if there is a requirement that isn't covered, then we can
consider whether we need to include it (and how it should be represented).</span></p>


<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>Should therefore dc:creator be used? With
specific attributes (type, role)? Are there practical examples for the use of
attributes in this case?</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete:</span></p>

<p class="MsoNormal"><span lang="EN-US">The DCMI Abstract Model doesn't include a
concept of &amp;quot;attribute&amp;quot;, at least, I think, not in the sense you mean
(something like contributor role=&amp;quot;editor&amp;quot;?). The model is based on
simple statements that express relationships between two resources.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">The DC Usage Board has been working with
the Library of Congress to define a set of properties that can be used to
represent the sort of information which in MARC is represented by the MARC
Relator Codes ? and for example we already reference one of these properties to
express the collection-owner relation.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">In theory, other such collection-agent
relations could be represented, but, beraing in mind that the intent is that DC
CD AP is a simple, &amp;quot;core&amp;quot; set of properties, personally I'm hesitant
to go too far in this direction.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Also I think it's worth bearing in mind
that our work is rooted in (a subset of) the model defined by Mike Heaney. We
have diverged from that in some relatively small aspects, I think, but I'd be a
bit uneasy about introducing a lot of new collection-agent relationships that
don't appear in the Heaney model.</span></p>


<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p>

<p class="MsoNormal"><span lang="EN-US">5) funding</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">    
</span>Are funding bodies to be mentioned as another dc:creator entry (maybe
with a role attribute)? As dc:contributor?</span></p>



<p class="MsoNormal"><span lang="EN-US">Pete:</span></p>

<p class="MsoNormal"><span lang="EN-US">There is no specific provision in the DC CD
AP to describe funding bodies (unless they are the owner of the collection).<br /></span></p><p class="MsoNormal">

</p><p class="MsoNormal"><span lang="EN-US">Partrick</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>6)
Period in which the project was realized, date of publication</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">    
</span>DC CD AP defines dcterms:created: &amp;quot;The range of dates over which
the collection was accumulated.&amp;quot; Same basic question as in 2). If
dcterms:created means the collection as a collection of digitized data and
metadata there would be no problem with using dcterms:created for describing
the dates of the project.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete:</span></p>

<p class="MsoNormal"><span lang="EN-US">OK.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p>

<p class="MsoNormal"><span lang="EN-US">There is the same problem with
cld:dateContentsCreated <span style=""> </span>(def. &amp;quot;The
range of dates over which the individual items within the collection were
created.&amp;quot;)<span style="">  </span>- what is the item in
the collection? A print or metadata / digital representatives of that print?</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Again, it depends which collection of items
you are describing. The digital collection was (probably) not gathered together
over the same period as the physical collection.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>If
the latter: what is the difference between dcterms:created and
cld:dateContentsCreated?</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">It may well be that the values for both are
the same for some classes of collection. </span></p>



<p class="MsoNormal"><span lang="EN-US">To pick up a thread from the last few days:
if a collection is a conceptual entity, isn't the creation of an item the same
thing as the accumulation of the collection? At least in our case? </span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Pete</span></p>

<p class="MsoNormal"><span lang="EN-US">That may be the case for that particular
class of collections, but it isn't necessarily true for all collections, and
for some collections both properties may be significant for resource discovery.</span></p>


<p class="MsoNormal"><span lang="EN-US">Partrick:</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>Collections of digitized prints are
accumulated by creating digital content!</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style=""> </span>7)
logos (branding images)</span></p>

<p class="MsoNormal"><span lang="EN-US"><span style="">    
</span>Just a question of common practice. Should the content of cld:logo
rather be a name of a resource or an URL?</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Again, I think we have to bear in mind that
descriptions will be constructed within the framework of the DCMI Abstract
Model, so ? given the current content of the DC CD AP - the use of either a
value string or a value URI is possible. Though I think in that particular
case, a value URI would make more sense. I mentioned this issue in a message at</span></p>

<p class="MsoNormal"><span lang="EN-US"><a href="http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind0504&amp;L=dc-collections&amp;P=1125">http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind0504&amp;amp;L=dc-collections&amp;amp;P=1125</a>
</span></p>


]]></description> 
<guid isPermaLink="false">2357643@http://meta.bokee.com/</guid> 
<dc:subject>资源描述</dc:subject> 
<dc:date>2005-07-23T00:01:41Z</dc:date> 
<feedburner:origLink>http://meta.bokee.com/2357643.html</feedburner:origLink></item> 
<item> 
<title><![CDATA[关于Ontology的问题]]></title> 
<link>http://feedproxy.google.com/~r/diglib/~3/dGplSiuJYOY/2342689.html</link> 
<description><![CDATA[

<p class="MsoNormal"><span style="font-family: 宋体;"><a href="http://rainzen.blogchina.com/2324201.html">雨僧老师</a>那边点名了，我也来试着回答一下<st1:personname w:st="on" productid="蒋">蒋</st1:personname>老师的问题。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p style="margin-left: 18pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">一、<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">             
</span></span></span><!--[endif]--><span style="font-family: 宋体;">与叙词表相比，Ｏ的语义表示功能改进有多大？</span></p>

<p style="margin-left: 18pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">二、<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">             
</span></span></span><!--[endif]--><span style="font-family: 宋体;">Ｏ能实现完全的自然语言标引吗？</span></p>

<p style="margin-left: 18pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">三、<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">             
</span></span></span><!--[endif]--><span style="font-family: 宋体;">Ｏ的成熟能带来自动标引的实现吗？（这一问题与第二个问题有关联）</span></p>

<p style="margin-left: 18pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">四、<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">             
</span></span></span><!--[endif]--><span style="font-family: 宋体;">Ｏ方法能成为未来网络信息检索的发展方向吗？</span></p>

<p style="margin-left: 18pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">五、<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal="">             
</span></span></span><!--[endif]--><span style="font-family: 宋体;">Ｏ理论能为知识组织理论带来革命性变化吗？</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">一、</span></p>

<p style="margin-left: 18pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">1、<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal=""> 
</span></span></span><!--[endif]--><span style="font-family: 宋体;">即使在计算机领域，</span><span lang="EN-US">Ontology</span><span style="font-family: 宋体;">（本体）也有许多涵义，如软件工程与人工智能中的</span><span lang="EN-US">Ontology</span><span style="font-family: 宋体;">就很有些区别。现在公认的</span><span lang="EN-US">Gruber</span><span style="font-family: 宋体;">的定义（</span><span lang="EN-US">formal,
explicit specification of a shared conceptualisation</span><span style="font-family: 宋体;">）也可以有多种实现途径，</span><span lang="EN-US">W<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="C">3C</st1:chmetcnv></span><span style="font-family: 宋体;">的</span><span lang="EN-US">OWL</span><span style="font-family: 宋体;">可以看成是一种实现，</span><span lang="EN-US">Topic
Maps</span><span style="font-family: 宋体;">也是一种实现。在我看来，本体就是对事物的某种认识，这种认识可以以各种方式表达出来（即</span><span lang="EN-US">explicit</span><span style="font-family: 宋体;">外在性，被认为是知识学习、共享、交换、利用的必需），最简单最直接的方式就是以概念体系来表达，然而现在一般认为仅仅是词表及其简单的关系构成的概念体系是不够的，领域知识虽然无法穷尽表达（任何领域知识都不是一个闭包），然而本体应该能够提供一种方式，使人们能够关联、推演、判断这些知识，于是本体希望能够表达人类知识的各个方面，例如函数关系、逻辑推理等等，而现在人们使用的本体表达工具（包括传统的给人用的分类法、叙词表，以及现在给计算机用的</span><span lang="EN-US">OWL</span><span style="font-family: 宋体;">等）都具有不同的应用范围和表达能力。</span></p>

<p style="margin-left: 18pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">2、<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal=""> 
</span></span></span><!--[endif]--><span style="font-family: 宋体;">现在人们开发和使用的所有本体语言或表达工具，就语义表示（知识表达）来说实际上没有任何新的东西，现在所做的只是采用另一种形式对前些年的人工智能成果进行表示或“重现”，都是早已有的东西，例如现在比较多的是采用基于概念的一阶谓词逻辑，用框架逻辑（如</span><span lang="EN-US">Protege</span><span style="font-family: 宋体;">）或描述逻辑（如</span><span lang="EN-US">OWL</span><span style="font-family: 宋体;">）的形式来表达和演算，等等。但是发展到一定阶段，是否会有所突破就很难预料了，有时使用的工具和形式会决定学科的发展方向以及是否能够取得成果。</span></p>

<p style="margin-left: 18pt; text-indent: -18pt;" class="MsoNormal"><!--[if !supportLists]--><span lang="EN-US" style=""><span style="">3、<span style="" times="" new="" roman="" ;="" font-style="" font-variant="" font-weight="" font-size="" 7pt="" line-height="" font-size-adjust="" none="" font-stretch="" normal=""> 
</span></span></span><!--[endif]--><span style="font-family: 宋体;">就</span><span lang="EN-US">OWL</span><span style="font-family: 宋体;">来说，其作用体现在形式化之后能够提供完全的计算机处理方面（即</span><span lang="EN-US">formal</span><span style="font-family: 宋体;">，形式化的要求），在语义表示能力方面也没有什么突破，但是就目前它的能力已经能做很多事情了。近年来本体之所以如此热门，主要还在于计算机能够通过它来管理大量的“形式化后的”知识，别小看这一点点的进步，应用于无所不在的互联网连接起来的海量知识能产生巨大的效果。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">二、三、</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">目前我还看不出使用本体会对自然语言标引带来怎么大的帮助，是否自然语言标引之后，能够应用本体工具处理一下，马上就规范了？就像随便什么螃蟹在阳澄湖水里浸一下，就变成阳澄湖大闸蟹了，立刻可以身价数倍。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">有了本体，如何实现本体的作用和功能，第一步就是</span><span lang="EN-US">Annotation</span><span style="font-family: 宋体;">，如何做，现在并没有比早就付诸应用的、利用工具实现“机助人工”更好的方法，但是计算机专家们一直没有放弃“自动”标注的幻想，希望在资源生成的时候，相应的语义元数据能够直接生成（这里涉及本体与元数据的关系，请参见本博客的其它相关<a href="http://meta.blogchina.com/878981.html">文章1</a>、<a href="http://meta.blogchina.com/1091019.html">文章2</a>、<a href="http://meta.blogchina.com/1591952.html">文章3</a>）。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">另有一种认识：不要把本体看成是规范得不得了的东西。自然语言进行领域知识的标引，所形成的词表为什么不能是本体？照样可以应用本体工具实现一定的功能。一个信息系统经过用户大量使用之后许多概念能够自动归类、整序而成为可供别人使用的很好的本体，等等，本体的构建方法也可以是多种多样的。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">本体的最大作用还在于机器与机器之间的达成的语义互操作，因而本体可以不是人用的，而纯粹是机器实现互操作功能的中间状态，例如以概率模型或向量模型表达的中间本体。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">随着“全息”信息环境的建立和普及，人工“标引”的重要性和价值正在丧失。这种“全息”环境是指数字信息自从产生就带有作者背景、机构背景、内容</span><span lang="EN-US">/</span><span style="font-family: 宋体;">学科</span><span lang="EN-US">/</span><span style="font-family: 宋体;">领域背景（全文索引）、应用</span><span lang="EN-US">/</span><span style="font-family: 宋体;">用户背景等上下文信息（</span><span lang="EN-US">Context</span><span style="font-family: 宋体;">），这些信息不仅是人工标引难以企及的，而且是动态变化的。</span><span lang="EN-US">Google Pagerank</span><span style="font-family: 宋体;">用于排序的准确性几乎宣布了人工标引作用的彻底破产。当然这样一种“全息”环境还有赖于相关网络基础架构和信息生产</span><span lang="EN-US">/</span><span style="font-family: 宋体;">传播工具的支持和普及，其源头是人，其最终用户也是人，所以“人工”永远是最初的“肇始”和最终目的，本体等永远是工具，这一点到任何时候都是无法改变的。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">四、</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">本体作为一种方法刚刚兴起，因此将会有一个发展、成熟、高潮时期，这个时期会随着语义</span><span lang="EN-US">Web</span><span style="font-family: 宋体;">的发展而逐渐强势。我本人十分看好本体方法，一个很强烈的理由是它有数学理论的支持（一阶谓词逻辑及其扩展）。当然如果最后证明语义</span><span lang="EN-US">Web</span><span style="font-family: 宋体;">也是一个与人工智能一样的大泡泡，本体方法当然也会沉寂下去。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">本体是否作为未来信息检索的发展方向，不好说，它只是实现信息检索功能的一种工具，有特定的应用场合（就像倒排档对于信息检索的作用仅限于索引，当然这个例子比较狭隘，本体应该有更为广泛的应用空间）。将来的信息检索在信息系统的组织、提问式的处理、检索结果的呈现等方面将大量采用本体，这一点在我看来应该是毫无疑问的。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">五、</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">知识组织如果说有理论的话，还是一种应用性的理论，如知识分类理论我并不觉得有多少理论性。本体对于知识组织的作用还是工具性的，而且这种工具是依附于计算机和网络的，是由于计算机技术的发展和网络规模的发展而带来的，可能对于未来的知识组织实践会产生一个根本性的改观，成为将来知识组织不能不考虑的一种方法，将来的教材也会不厌其烦地讨论本体方法及其实现，但是这是革命性的吗？我好像看不出。本体，本来就在那里的实体，爪哇国人向不食螃蟹，有朋自中国来，大啖螃蟹，味美之，于是食螃蟹。有何稀奇？</span></p>

]]></description> 
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<dc:subject>知识组织</dc:subject> 
<dc:date>2005-07-21T17:12:34Z</dc:date> 
<feedburner:origLink>http://meta.bokee.com/2342689.html</feedburner:origLink></item> 
<item> 
<title><![CDATA[Dlib杂志十岁了]]></title> 
<link>http://feedproxy.google.com/~r/diglib/~3/qVmykFd8A7A/2326355.html</link> 
<description><![CDATA[

<p class="MsoNormal"><span style="font-family: 宋体;">到本期（</span><a href="http://www.dlib.org/dlib/july05/07contents.html"><span lang="EN-US">7/8</span></a><span style="font-family: 宋体;"><a href="http://www.dlib.org/dlib/july05/07contents.html">月号</a>）<a href="http://www.dlib.org/">数字图书馆杂志</a></span><a href="http://www.dlib.org/"><span lang="EN-US"></span></a><span style="font-family: 宋体;">正好</span><span lang="EN-US">10</span><span style="font-family: 宋体;">周年了。联想到前不久</span><a href="http://w3c.org/"><span lang="EN-US">W<st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="C">3C</st1:chmetcnv></span></a><span style="font-family: 宋体;">庆祝<a href="http://www.w3.org/2004/09/W3C10.html">十周年</a>，让人感到时间过得真快，也真不可思议。许多影响我们生活方式的东西好像一直在那里，但实际上只有很短的历史，现在几乎很难想象没有互联网的生活，再溯及以往，没有电视、广播，甚至没有电的生活。工业文明才过去一个世纪，而信息文明才过去</span><span lang="EN-US">10</span><span style="font-family: 宋体;">年，才十年！就像<a href="http://oldhuai.blogchina.com/">老槐</a>感叹的，人的一年相当于狗的七年，“网络年”应该比“狗年”过得更快吧。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><a href="http://www.cnri.reston.va.us/"><span lang="EN-US">CNRI</span></a><span style="font-family: 宋体;">（</span><span lang="EN-US">Corporation for National Research Initiatives</span><span style="font-family: 宋体;">）的总裁兼</span><span lang="EN-US">CEO</span><span style="font-family: 宋体;">，<a href="http://www.acm.org/awards/turing_citations/cerf_kahn.html">2004年图灵奖获得者</a>，号称因特网的三位发明人之一，也是这份杂志的大老板的</span><a href="http://www.cnri.reston.va.us/bios/kahn.html"><span lang="EN-US">Robert E.
Kahn</span></a><span style="font-family: 宋体;">在本期的刊首词中回顾了</span><span lang="EN-US">Dlib</span><span style="font-family: 宋体;">杂志的历史，但是更多的篇幅用在了介绍这本杂志的财政支持方面，及其考虑的原则、宗旨、模式等。记得几年前</span><span lang="EN-US">Dlib</span><span style="font-family: 宋体;">开始寻求经费支持，让我们觉得颇不可思议，这么多业界大腕（</span><span lang="EN-US">Kahn</span><span style="font-family: 宋体;">、</span><span lang="EN-US">Arms</span><span style="font-family: 宋体;">等等）、这么广泛的关系网，居然会为了生计而发愁。这就是美国的运行方式。在十周年纪念的这期发刊词中，</span><span lang="EN-US">Kahn</span><span style="font-family: 宋体;">又平和地提到了寻求经费支持的问题。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">整个这期刊物都是对数字图书馆的回顾，不仅是对这本杂志的回顾。而且因为作者都是这个领域的</span><span lang="EN-US">Key Player</span><span style="font-family: 宋体;">，颇具可看性。另外本期还有对今年</span><span lang="EN-US">JCDL</span><span style="font-family: 宋体;">会议的总结文章。</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><a href="http://www.dlib.org/dlib/july05/wilson/07wilson.html">A Tenth Anniversary
for D-Lib Magazine</a> <br />
by Bonita Wilson and Allison L. Powell, <i>Corporation for National Research
Initiatives</i><br />
doi:10.1045/july2005-wilson<br />
<br />
<a href="http://www.dlib.org/dlib/july05/friedlander/07friedlander.html">Really
10 Years Old?</a> <br />
by Amy Friedlander, <i>Shinkuro, Inc.</i><br />
doi:10.1045/july2005-friedlander<br />
<br />
<a href="http://www.dlib.org/dlib/july05/larsen/07larsen.html">Whence
Leadership?</a> <br />
by Ronald L. Larsen, <i>University of Pittsburgh</i><br />
doi:10.1045/july2005-larsen <br />
<br />
<a href="http://www.dlib.org/dlib/july05/griffin/07griffin.html">Funding for
Digital Libraries Research</a>: <b>Past and Present</b> <br />
by Stephen M. Griffin, <i>National Science Foundation</i><br />
doi:10.1045/july2005-griffin <br />
<br />
<a href="http://www.dlib.org/dlib/july05/mischo/07mischo.html">Digital
Libraries</a>: <b>Challenges and Influential Work</b> <br />
by William H. Mischo, <i>University of Illinois, Urbana-Champaign</i><br />
doi:10.1045/july2005-mischo<br />
<br />
<a href="http://www.dlib.org/dlib/july05/lynch/07lynch.html">Where Do We Go
From Here?</a> <b>The Next Decade for Digital Libraries</b> <br />
by Clifford Lynch, <i>Coalition for Networked Information</i><br />
doi:10.1045/july2005-lynch<br />
<br />
<a href="http://www.dlib.org/dlib/july05/arms/07arms.html">A Viewpoint Analysis
of the Digital Library</a> <br />
by William Y. Arms, <i>Cornell University</i><br />
doi:10.1045/july2005-arms<br />
<br />
<a href="http://www.dlib.org/dlib/july05/paepcke/07paepcke.html">Dewey Meets
Turing:</a> <b>Librarians, Computer Scientists, and the Digital Libraries
Initiative</b> <br />
by Andreas Paepcke, Hector Garcia-Molina, and Rebecca Wesley, <i>Stanford
University</i><br />
doi:10.1045/july2005-paepcke<br />
<br />
<a href="http://www.dlib.org/dlib/july05/weibel/07weibel.html">Border
Crossings:</a> <b>Reflections on a Decade of Metadata Consensus Building</b> <br />
by Stuart L. Weibel, <i>OCLC Research</i><br />
doi:10.1045/july2005-weibel</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">CONFERENCE REPORTS <br />
<a href="http://www.dlib.org/dlib/july05/sumner/07sumner.html">Report on the
Fifth ACM/IEEE Joint Conference on Digital Libraries:</a> <b>Cyberinfrastructure
for Research and Education</b> <br />
by Tamara Sumner, <st1:placetype w:st="on"><i>University</i></st1:placetype><i>
of <st1:placename w:st="on">Colorado</st1:placename> at <st1:place w:st="on"><st1:city w:st="on">Boulder</st1:city></st1:place></i><br />
doi:10.1045/july2005-sumner</span></p>

]]></description> 
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<dc:subject>读书笔记</dc:subject> 
<dc:date>2005-07-20T06:50:21Z</dc:date> 
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<item> 
<title><![CDATA[PREMIS元数据]]></title> 
<link>http://feedproxy.google.com/~r/diglib/~3/ZzpCHraDvaU/2316000.html</link> 
<description><![CDATA[

<p class="MsoNormal"><span lang="EN-US">PREMIS</span><span style="font-family: 宋体;">：</span><span lang="EN-US">Preservation Metadata: Implementation Strategies</span><span style="font-family: 宋体;">是一套基于</span><span lang="EN-US">OAIS</span><span style="font-family: 宋体;">的用于资源长期保存的元数据方案，由</span><span lang="EN-US">OCLC</span><span style="font-family: 宋体;">和</span><span lang="EN-US">RLG</span><span style="font-family: 宋体;">倡导推出，目前已经</span><span lang="EN-US">1.0</span><span style="font-family: 宋体;">版的数据模型、数据字典和编码方案。相关链接和下载如下。</span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-family: Symbol;">·</span><span lang="EN-US"><span style=""> 
</span><a href="http://www.oclc.org/research/projects/pmwg/premis-final.pdf">Data
Dictionary for Preservation Metadata: Final Report of the PREMIS Working Group</a>
<span class="pdf">[PDF:3.2MB / 237p.]</span> <o:p /></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-family: Symbol;">·</span><span lang="EN-US"><span style=""> 
</span><a href="http://www.loc.gov/standards/premis/schemas.html">PREMIS
schemas </a><o:p /></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-family: Symbol;">·</span><span lang="EN-US"><span style=""> 
</span><a href="http://www.oclc.org/research/projects/pmwg/">PREMIS Working
Group Home Page</a> <span class="pdf">[OCLC]</span> <o:p /></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-family: Symbol;">·</span><span lang="EN-US"><span style=""> 
</span><a href="http://www.oclc.org/research/projects/pmwg/surveyreport.pdf">PREMIS
Implementation Survey</a> <span class="pdf">[PDF: 1.24MB / 66p.]</span></span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">这套方案应该会对图书馆界的数字图书馆项目产生重大影响。然而这套方案与</span><span lang="EN-US">DC</span><span style="font-family: 宋体;">有很大的不同，一是比</span><span lang="EN-US">DC</span><span style="font-family: 宋体;">详细得多，二是并没有以</span><span lang="EN-US">DC</span><span style="font-family: 宋体;">作为核心集（它自己到提出一个核心集的概念），当然</span><span lang="EN-US">PREMIS</span><span style="font-family: 宋体;">到</span><span lang="EN-US">DC</span><span style="font-family: 宋体;">的映射也是很好做的，三是它的元素是有层次结构的（现在看起来最多到四层）。我的感觉它是把</span><span lang="EN-US">OAIS</span><span style="font-family: 宋体;">模型具体化和规范化了，对</span><span lang="EN-US">OAIS</span><span style="font-family: 宋体;">涉及到的各方面属性元素都进行了定义，定义的基础又不是从</span><span lang="EN-US">DC</span><span style="font-family: 宋体;">的扩展，因而与国图提出的《中文元数据方案》有很大区别。</span></p>

<p class="MsoNormal"><span style="font-family: 宋体;">其中有很多思想值得借鉴。例如对于数字对象关系的分类，对于</span><span lang="EN-US">Event</span><span style="font-family: 宋体;">资源类型的属性集的提出，对四类实体的</span><span lang="EN-US">Schema</span><span style="font-family: 宋体;">定义等等。在相关的讨论组里还讨论了数据元素嵌入</span><span lang="EN-US">METS</span><span style="font-family: 宋体;">应用的问题。</span></p>

<p class="MsoNormal"><span lang="EN-US">一些重要的介绍信息如下：<br />Both the earlier Framework and the PREMIS
Data Dictionary build on the Open Archival Information System (OAIS) reference
model (ISO14721).3 The OAIS information model provides a conceptual foundation
by providing a taxonomy of information objects and packages for archived
objects and the structure of their associated metadata. The Framework can be viewed
as an elaboration of the OAIS information model, explicated through the mapping
of preservation metadata to that conceptual structure. The PREMIS work can be viewed
as a translation of the Framework into a set of implementable semantic units in
the Data Dictionary.<o:p /></span></p>

<p class="MsoNormal"><span lang="EN-US">However, it should be noted that PREMIS and
OAIS use some terminology differently, as noted in the Glossary. Differences
usually reflect the fact that PREMIS semantic units require more specificity
than the OAIS definitions provide, which is to be expected when moving from a conceptual
framework to an implementation.</span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">The PREMIS maintenance activity is
responsible for maintaining, supporting, and coordinating future revisions to
the PREMIS data dictionary. The Preservation Metadata: Implementation
Strategies Working Group, convened by OCLC and RLG, initially developed the
PREMIS data dictionary as a specification with the goal of creating an
implementable set of &amp;quot;core&amp;quot; preservation metadata elements, with
broad applicability within the digital preservation community. Supporting XML schemas
allow for implementation of the core metadata element set and are maintained in
the Network Development and MARC Standards Office of the Library of Congress.<o:p /></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">As of May 2005 the PREMIS data dictionary
and schemas will begin a period of trial use. It is expected that they will
remain stable for at least a year, after which revisions may be made based on
results of experimentation.</span></p>
<br />
]]></description> 
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<dc:subject>资源描述</dc:subject> 
<dc:date>2005-07-19T09:22:37Z</dc:date> 
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