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1.
文章简要分析知识组织体系与关联数据的区别与联系,介绍了可在不同层次进行语义关联描述的本体模型和专业叙词表。面向科研创新信息需求,应用通用本体和农业科学叙词表等知识组织体系,建立了覆盖知识组织体系、科技文献和科学数据等多类资源的多维语义关联描述框架,实现了从资源的外部属性特征到内容层面的规范描述与语义关联。最后,以农业领域的信息资源为例,基于开源工具D2R,完成了关系型数据库中多类资源向多维语义关联数据的语义映射、自动转化与关联构建。  相似文献   

2.
中文叙词表的语义化转换   总被引:1,自引:0,他引:1  
欧石燕 《图书情报工作》2015,59(16):110-118
[目的/意义]随着语义网与关联数据的兴起与发展,采用SKOS语言对叙词表进行语义化描述成为主流,这为叙词表在网络上的发布、共享以及在网络环境下的应用提供新的契机。[方法/过程]以《汉语主题词表》为例,对中文叙词表的语义化表示、验证和关联数据发布进行探索。首先,制定基于SKOS、SKOS-XL和SKOS扩展的叙词表语义化表示方案, 实现对叙词表的无损语义描述, 开发基于N-Triples格式的词表语义化转换程序, 使大规模词表的语义化转换更加简单高效;其次,采用新兴的SPIN框架对语义化词表的完整性进行验证, 为SKOS词表的正确性与合法性提供保证;最后,采用“Jena TDB+Fuseki+Pubby”的组合将SKOS/RDF词表数据在网络上发布为关联数据,并开发词表关联数据检索界面。[结果/结论]实验结果表明,采用本文的方法能够实现整个《汉语主题词表》的高效语义化转换、验证与发布,促进中文叙词表在网络上的共享与应用。  相似文献   

3.
陶俊 《图书情报工作》2018,62(21):140-148
[目的/意义]词表语义组织是馆藏语义化研究的重要组成部分,梳理该领域的历史演进有利于明晰重点并推动其更好发展。[方法/过程]在辨析词表语义组织领域核心术语的基础上,提出"标准规范——语义组织方法——支撑技术——词表应用"研究框架,基于该框架梳理中文叙词表语义研究代表文献。[结果/结论]提出词表语义组织的定义及其主体框架,揭示了词表、本体、关联数据等的核心概念及其有机联系;以叙词表为例梳理我国词表语义组织研究近10年来的代表性研究工作;比较词表传统研究与语义组织研究的内在异同,并对我国词表语义组织研究进行述评和展望。  相似文献   

4.
简单知识组织系统与汉语主题词表   总被引:3,自引:1,他引:2  
简单知识组织系统(SKOS)是W3C组织语义网下的工作组织发布并维护,为知识组织系统的表达提供强有力且简单的机器理解方式。它的建立为叙词表的形式化表达提供了概念、模型,使各叙词表之间、叙词表与本体之间的映射成为可能。如何利用SKOS,使叙词表在词义检索中得到更好地应用,实现用户检索请求的语义本体化,将是叙词表研究者更大的挑战。  相似文献   

5.
近年来关联数据在知识库中得到广泛应用。本文对关联数据在知识库中的研究现状进行系统分析和梳理,并总结关联数据在知识库的知识源、可视化和语义化3个方面的重点应用,探讨关联数据应如何更好地促进知识库的建设以满足用户的知识需求,进而指出关联数据在知识库的诸多领域皆有研究,但相关项目未能充分发挥关联数据的特点,存在过度依赖叙词表、忽视学科交叉等问题,后续研究需要在构建理念、知识集关联、知识领域融合和构建目标方面增加关注度。  相似文献   

6.
旧方志中的物产史料是传承中华农业文明五千年历史的重要载体,数据规模大且史料价值高,在语义网环境下对其进行知识组织,是后续基于方志物产史料深度利用以及知识发现的前提。本研究以机构特藏《方志物产》为研究对象,首先提出基于关联数据的方志物产语义知识组织框架;其次设计并构建方志物产知识本体模型,对其概念、属性及关系进行规范化描述;然后基于关联数据技术,从数据预处理、生成RDF数据、实体关联、关联数据存储与发布等步骤探讨方志物产关联数据集的构建与发布过程;最后,以《方志物产》云南卷为例,构建基于关联数据的方志物产知识库,为相关领域用户和社会公众提供各类知识服务。本研究可以激活蕴藏在方志物产史料中的多维度知识,也为其他方志汇编史料语义化知识组织提供参考,同时在一定程度上丰富了我国数字人文研究的应用场景。  相似文献   

7.
基于关联数据的知识组织深度序化机制研究   总被引:1,自引:0,他引:1  
戎军涛 《图书情报工作》2015,59(13):134-141
[目的/意义] 从关联数据在知识组织与控制中的应用为切入点,进一步揭示基于关联数据的知识组织深度序化机制,促进关联数据技术在知识组织、知识发现领域的应用。[方法/过程] 通过系统分析法提出"三位一体"的语义组织框架,分析基于关联数据的知识组织语义序化机制,并以机构知识库关联数据的构建发布为例说明语义序化机制具体实现路径。[结果/结论] 本体与关联数据驱动的语义检索服务体现了基于关联数据的知识组织深度序化机制。研究表明,关联数据作为轻量级的语义网实现方式,为知识组织的深度序化提供了语义化的技术、方法、工具和实现路径,为知识发现、知识推理提供了基础。  相似文献   

8.
陈瑞  曾建勋 《情报学报》2022,(4):401-411
众多叙词表及术语资源由于资源分散、更新维护慢、不能满足数据大规模应用需要,导致应用情况不理想。叙词表的集成化可对现有信息资源进行充分整合,有助于优化知识组织体系,拓展术语资源的应用范围。本文提出的叙词表集成化体系框架涵盖了标准规范体系、词表集成化支撑体系、词表集成化概念体系、叙词表集成化过程和方法以及系统服务与应用五个方面。集成化过程是在多来源术语集成构建词汇集成库的基础上,进行概念映射、概念融合与关系校验实现概念和概念关系的语义集成,构建一个覆盖多学科领域的、语义关系多样的集成化词表。最后,本文提出了推进集成资源的智能化服务和社会场景应用的具体策略,推动叙词表资源的可持续发展。  相似文献   

9.
将传统的知识组织体系转换为本体,可以加快本体建设的进程,并在语义Web中提供更好的信息服务。文章以叙词表资源为转换对象,总结现有叙词表向本体转换的方法与工具研究,提出了叙词表向本体重构的通用技术框架,并重点探讨涉及的关键技术。  相似文献   

10.
近年来,网络叙词表作为一种新型语义工具,引起了国内外信息组织领域的广泛关注.文章从网络叙词表的功能定位、结构设计、编制模式、构建标准等4个方面,探讨了网络叙词表在构建过程中的几个关键问题,以期对我国网络叙词表构建的实践提供指导,扩大网络叙词表的社会化应用领域.  相似文献   

11.
This article surveys a sample of sources of the information about Romania available to British readers in nineteenth century British newspapers and periodicals. It traces first contacts between the Romanian lands and Britain after the union of the principalities of Wallachia and Moldavia in 1859, then after their independence from the Ottoman Empire. The article highlights an increased Romanian interest in British periodicals, which reported and reviewed Romanian literature and scholarship. The article concludes that nineteenth century British newspapers and periodicals offer a great variety and wealth of new material previously unavailable or unknown to researchers. It also states that only a portion of a large quantity of this material has been indexed and is therefore available via the bibliographic sources mentioned in the article. The author argues for the need of a new and updated British-Romanian bibliography, which can draw on new online resources offering access to thousands of new newspapers and periodical records.  相似文献   

12.
ABSTRACT

The paper looks at library approval plans for material published in Slavic, East European, and Eurasian countries from the selector's point of view. Reasons why a selector would or would not want one are examined. Success with approval plans requires monitoring receipts, as well as good and ongoing communication among the selector, the acquistions department, and the vendor. A preliminary list of vendors offering approval plans for the countries of the region appears in the appendix.  相似文献   

13.
为进一步提升武汉科技信息共享服务平台使用效率,本文从平台资源建设、资源应用、供需对接方式和供需特点等方面分析了武汉科技信息资源服务现状;基于需求和利用的角度,结合平台管理实践和走访用户、问卷调查等研究方法,从信息资源需求主体和平台自身建设管理两个维度,找出制约科技资源供需对接的主要因素;以市场化和制度化为创新理念,从政策创新、机制创新、市场化服务、环境营造、人才培养等方面提出平台建设由“资源集聚”向“需求导向”转变的对策建议.  相似文献   

14.
ABSTRACT

The article examines the most important periodicals of ethnic minorities in Poland. After 1989, many ethnic groups (e.g., Germans and Romanies) were allowed to publish journals and newspapers for the first time since the end of World War II. The publications examined show the rich cultural life of the various ethnic groups as well as their current status in Poland. In addition to popular titles, some scholarly publications are also discussed.  相似文献   

15.
在分析文献在不同研究阶段用词时间特征的倾向性基础上,提出一种基于主题模型的研究发展阶段识别方法。重点阐述该方法的构建过程,包括时间特征抽取、发展阶段界定、主题冷热变化分析等步骤。为验证该方法的有效性,针对词频统计法和主题模型方法在主题演化分析中的效果进行比较分析。结果表明,该方法能在识别主题热点和发展趋势的同时,有效地区分不同主题所反映的研究发展阶段。  相似文献   

16.
ABSTRACT

In today's current political environment raising support for millage renewals, bond campaigns or even millage continuations for public libraries is affected by national politics, and a tendency towards tax aversion on principle across the country. The lessons we can learn from the governing boards of small and rural public libraries are worth raising up to a greater national consciousness. Board governance, community consciousness, and facilities management are clear and logical tools that elected boards of public libraries can use to politick for support of libraries.  相似文献   

17.
The author answers a reference question on bibliographic sources for the Ukrainian periodical press 1840–1850. Helpful publications include bibliographies, guides, and library catalogs. These potentially make mention of revolutionary developments in Hungary (such as the Twelve Points paragraph of the Demands of the Hungarian Nation in March 1848, the subsequent April Laws, and Hungary's declaration of independence in April 1949), and elsewhere in the Hapsburg Empire.  相似文献   

18.
Chromebooks and the G Suite group of products, like Google Search, Gmail, and Google Docs, have rapidly expanded in American schools during the past 5 years. The impact of one-to-one Chromebook devices and the pervasive use of Google's software products in American education cannot be overstated. This article explores some of the influences of these products on research, based on the experiences of a librarian and technology coordinator at an elementary education level. The author has several suggestions for effective research with these products in mind.  相似文献   

19.
Library historians can learn a great deal from studying the gender of authorship and institutional affiliation of a scholarly journal. The focus of this study is to examine these two aspects of journal production in library history to see who is producing published research in this field. Twenty-three years of Libraries & Culture were chosen as the target volumes. The study reveals that more men than women published in library history as well as locating which institutions were represented. This type of information is usedful to the library historian engaged in the analysis of published scholarship, and more generally to scholars with an interest in patterns of literature production in fields closely related to the social and behavioral sciences.  相似文献   

20.
ABSTRACT

The history of the almanac in Croatia is reconstructed through primary research in bibliographic and archival sources. The almanac is a vehicle for knowledge communication in informal contexts, engaging both oral tradition and literary forms traceable to medieval literacy and ways of structuring knowledge. The history of the almanac in Croatia reflects the changing context of the book trade, literacy, and the evolution of language. Four main stages are identified: (1) the beginning of the annual almanac in the seventeenth century; astrological almanacs reflecting the sensibility of the Baroque period; (2) the Enlightenment's stimulation of almanac publishing in the spirit of contemporary secular reforms in agriculture and education; (3) nineteenth-and twentieth-century almanac trade, showing complex and overlapping networks for the production, distribution and appropriation of printed almanacs;(4) roughly the end of World War II, when the almanac slowly moved out of the role of a popular mass medium and into specialized niches represented by regional, diaspora, and religious almanacs.  相似文献   

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