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AbstractThe Program for Cooperative Cataloging (PCC) has formal relationships with the Library of Congress (LC), Share-VDE, and Linked Data for Production Phase 2 (LD4P2) for work on Bibliographic Framework (BIBFRAME), and PCC institutions have been very active in the exploration of MARC to BIBFRAME conversion processes. This article will review the involvement of PCC in the development of BIBFRAME and examine the work of LC, Share-VDE, and LD4P2 on MARC to BIBFRAME conversion. It will conclude with a discussion of areas for further exploration by the PCC leading up to the creation of PCC conversion specifications and PCC BIBFRAME data. 相似文献
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ABSTRACTOne of the big challenges facing academic libraries today is to increase the relevance of the libraries to their user communities. If the libraries can increase the visibility of their resources on the open web, it will increase the chances of the libraries to reach to their user communities via the user's first search experience. BIBFRAME and library Linked Data will enable libraries to publish their resources in a way that the Web understands, consume Linked Data to enrich their resources relevant to the libraries' user communities, and visualize networks across collections. However, one of the important steps for transitioning to BIBFRAME and library Linked Data involves crosswalks, mapping MARC fields and subfields across data models and performing necessary data reformatting to be in compliance with the specifications of the new model, which is currently BIBFRAME 2.0. This article looks into how the Library of Congress has mapped library bibliographic data from the MARC format to the BIBFRAME 2.0 model and vocabulary published and updated since April 2016, available from http://www.loc.gov/bibframe/docs/index.html based on the recently released conversion specifications and converter, developed by the Library of Congress with input from many community members. The BIBFRAME 2.0 standard and conversion tools will enable libraries to transform bibliographic data from MARC into BIBFRAME 2.0, which introduces a Linked Data model as the improved method of bibliographic control for the future, and make bibliographic information more useful within and beyond library communities. 相似文献
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本文从开放关联数据的含义和链接机制入手,探讨开放关联数据在数字档案资源跨媒体知 识链接中的应用价值,构建基于开放关联数据的数字档案资源跨媒体知识链接模型;以美国国家档案与文件署和美国国家档案博物馆等的数字档案资源为实例研究对象,构建数字档案资源跨媒体知识链接的应用框架,并给出相关应用对策。 相似文献
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BIBFRAME为处理丛编定义了特定的丛编元素,根据LC的MARC 21到BIBFRAME 2.0转换规范,并利用BIBFRAME比较工具,分析BIBFRAME对丛编的转换方法,包括:丛编描述、丛编作品构建、丛编题名检索点、丛编关系构建。PCC的BIBFRAME处理丛编方法与LC的转换方法在丛编描述和丛编关系构建上存在差异。随着BIBFRAME的不断发展完善,丛编的处理可能发生变化。 相似文献
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将图书馆目录纳入语义万维网 总被引：4，自引：0，他引：4
图书馆书目包含海量结构化、高质量的数据,然而这些数据通常无法应用于语义万维网。介绍使瑞典联合书目（LIBRIS）符合语义万维网和链接数据（Linked Data）协议规范的工具和技术,讨论个体资源的精确描述问题,并重点介绍资源之间的链接以及数据获取机制等方面的内容,同时还提出在同一作品的不同记录之间建立链接的方法。 相似文献
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关联数据为图书馆资源开放与关联提供了新的技术环境和发展契机。在W3C图书馆关联数据孵化小组LLD的系列报告基础上,系统评述图书馆数据的类型与应用,提出图书馆关联数据的宏观语义模型并作分层论述,总结先导项目的探索经验,最后对开放关联过程中的若干关键问题进行识别。 相似文献
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从格式和模型两个角度总结并分析图书馆界在MARC之后对书目记录的探索,指出侧重格式探索与模型探索在元数据方案方面的不足。重点介绍美国国会图书馆提出的新书目框架--Bibframe模型,从模型更新、模型架构及Bibframe与RDA的关系3个方面对其进行研究。认为Bibframe不仅是一种格式,它意在创造一种新的书目环境,在核心类、资源类型两个方面对RDA进行继承与发展。 相似文献
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Ranking information resources is a task that usually happens within more complex workflows and that typically occurs in any form of information retrieval, being commonly implemented by Web search engines. By filtering and rating data, ranking strategies guide the navigation of users when exploring large volumes of information items. There exist a considerable number of ranking algorithms that follow different approaches focusing on different aspects of the complex nature of the problem, and reflecting the variety of strategies that are possible to apply. With the growth of the web of linked data, a new problem space for ranking algorithms has emerged, as the nature of the information items to be ranked is very different from the case of Web pages. As a consequence, existing ranking algorithms have been adapted to the case of Linked Data and some specific strategies have started to be proposed and implemented. Researchers and organizations deploying Linked Data solutions thus require an understanding of the applicability, characteristics and state of evaluation of ranking strategies and algorithms as applied to Linked Data. We present a classification that formalizes and contextualizes under a common terminology the problem of ranking Linked Data. In addition, an analysis and contrast of the similarities, differences and applicability of the different approaches is provided. We aim this work to be useful when comparing different approaches to ranking Linked Data and when implementing new algorithms. 相似文献
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文章以Scopus、中国知网两大数据库以及书目框架(BIBFRAME)官网为数据源,检索与书目框架有关的文献。利用Endnote、Excel等工具,采用文献计量法和内容分析法,从文献的年代分布、作者及机构分布、来源期刊、高频关键词等方面对国内外书目框架的研究进行文献计量分析和研究热点分析。针对国内外研究存在的问题,提出相关建议。 相似文献
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关联数据发布技术及其实现——以Drupal为例 总被引：4，自引：1，他引：3
关联数据是一种轻量级的语义网实现技术,其重要价值在于通过RDF数据模型,将网络上的非结构化数据和采用不同标准的结构化数据转换成遵循统一标准的结构化数据,以便机器理解。文章梳理了关联数据的实现方式,目前关联数据的发布模式有:静态发布、批量存储、调用时生成、事后转换(D2R),发布关联数据的工具包括:VoID词表、前端转换工具、OWL及SKOS相关工具、Web services、Web应用框架、CMS及RDFa。并详细介绍了开源CMS平台Drupal。Drupal作为一直关注语义网技术的开源CMS平台,其高度模块化的架构为实现关联数据的发布打下了良好的基础,RDF、SPARQL、SPARQL_Endpoint及其周边模块构成了一套较为成熟的关联数据发布与消费的框架,最后利用该框架实现将"中国历史纪年和公元纪年对照表"发布成关联数据。 相似文献
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关联数据的消费技术及实现 总被引：1，自引：0，他引：1
从关联数据技术实现的角度看,发布和消费是构建关联数据平台和实施关联数据应用应该考虑到的两个重要方面.关联数据的消费技术涉及到数据的访问、获取、发现、查询、交换、传输、处理和利用.而消费的方式和效果取决于关联数据源所提供的消费接口.通过梳理和总结关联数据消费技术的各个方面,调研DBPedia、Freebase、VIAF等大型的关联数据集和＜sameAs.org＞、SWSE、Sindice、Swoogle、Falcons等流行的语义搜索引擎所提供的数据消费接口,总结目前关联数据消费接口的类型以及相应的使用方式,分析其适用范围、优缺点等,以期为关联数据发布方和消费方提供技术参考. 相似文献