共查询到19条相似文献,搜索用时 232 毫秒
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从网络引文的可追溯性角度研究网络信息资源的老化规律.具体分析CSSCI(1998~2009年)的183 986条P(Print)-W(Web)网络引文,发现各年网络引文量呈逻辑增长,篇均引文量也呈逐年增长趋势,其中近一半(48%)的P-W引文不可追溯.在不可追溯的引文类型中,404所占比例最大;通过引入传统文献老化规律模型--负指数增长曲线分析,P-W网络引文的平均可追溯半衰期为7 13年.P-W网络引文可追溯性与其URL域名类型、URL网页类型、URL层数和年代等的关系方面,P-W引文不可追溯分布具有一定的规律性;URL层数与URL字符数之间具有显著线性相关关系. 相似文献
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通过对我国图书情报学期刊网络引文的实证分析,得出如下结论:HTML格式网络引文的比例在逐年下降,PDF格式和动态类网络引文的比例在逐渐上升,维基、博客、论坛等新型网络学术信息正日益得到我国图书情报学者的认可和接受;动态类网络引文的可追溯性略高于静态类网络引文,但二者可追溯率都介于50%-51%之间;分布在.edu域名的网络引文的可追溯性相对较差。 相似文献
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国内档案学期刊网络引文的类型和相关特征分析——以2002-2011年《档案学通讯》、《档案学研究》为例 总被引:1,自引:0,他引:1
通过对我国2002-2011年间《档案学通讯》、《档案学研究》网络引文的实证分析,得出网络信息资源在我国档案学研究中的利用程度仍将继续提高、静态类网络引文的可访问性高于动态类网络引文、我国档案学者对网络信息的利用呈现出一定的选择性、分布在.edu域名的网络引文的可访问性相对较差等相关结论,并印证了对网络信息资源进行存档以及建立网络档案学研究的紧迫性和必要性。 相似文献
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我国学术期刊上的网络参考文献可追溯性考察 总被引:11,自引:0,他引:11
阐述网络参考文献可追溯性的重要性。以两份中文核心期刊1999—2003年所刊登学术论文中的网络参考文献为对象,考察了网络参考文献可追溯性与时间的关系;频繁使用网络参考文献的学术论文;网络参考文献可追溯性与出处网站类型、网络资源类型、语种等的关系;网络参考文献的不可追溯的类型;不可追溯网络参考文献的再检索等问题。 相似文献
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社会网络、引文网络和链接网络之比较 总被引:4,自引:0,他引:4
在图书情报学领域对文献信息资源和网络信息资源进行研究时,我们经常会遇到社会网络、引文网络和链接网络.它们有明显的区别又有紧密的联系.了解这三类网络的异同对于进行超链接网络分析、网络引文分析、链接分析等是很必要的.因此,我们从网络本身的结构特点及对三类网络进行测度的指标两个角度对社会网络、引文网络和链接网络进行比较. 相似文献
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探讨了网络参考文献可追溯性的影响因素,分析了我国网络参考文献可追溯性问题,包括网络信息资源的描述、共享、利用与保存等,并提出了改进的建议。 相似文献
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互联网对科学研究的影响越来越大,重要体现之一就是学术论文中网络引文的使用增多.但目前网络引文的可获得性处于较低水平,有必要建立一个由直接可追溯性、间接可查证性和长期保存体系组成的三层结构可获得性体系,并从技术、政策、法律等方面对该体系提供保障.图2.参考文献19. 相似文献
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《图书情报知识》2008,(1)
尊敬的各位投稿作者:本刊着力于解决网络引文(网络参考文献)的不可追溯性,建立了《图书情报知识》“现刊”保存网络引文数据库,重构了“过刊”获取方式的解决方案,以最大程度解决网络引文(网络参考文献)不可追溯性的问题。希望各位投稿作者予以支持,严格按照国家标准GB/T7714-2005对引文进行著录。1.论文参考文献中网络引文(网络参考文献)网址的网页(内容),必须能在网上检索到。2.论文参考文献中网络引文(网络参考文献)网址的网页(内容),凡需密码等才能在网上检索的网页(内容),需投稿作者下载后提供给编辑部。关于建立《图书情报知识》网络引文库的通知$《图书情报知识》编辑部 相似文献
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中文网络信息保存体系探讨 总被引:1,自引:0,他引:1
网络信息保存体系是一种解决与网络信息资源保存相关的一系列问题的整体方案.本文首先简要介绍了构建网络信息保存体系的背景与意义.然后作者提出,在建立中文网络信息资源保存战略体系时,应该从宏观上研究保存中的4个基本模块:保存目的、保存主体、保存对象、保存方法. 相似文献
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《Journal of Web Librarianship》2013,7(2):27-55
Abstract Faculty publication databases or author bibliographies offer libraries an opportunity to provide services to users. Initially, these databases remained initiatives of special libraries in the health-sciences fields. Librarians used the publication information derived from these databases to compile lists for annual reports. However, the advent of new technologies, especially the Web, prompted numerous libraries to develop faculty publication databases for their institutions. The author conducted a survey of various listservs to discover the history and development of these databases. The results illustrate the popularity of Web-based faculty publication databases. The motivation for their creation varied, but most respondents emphasized the desire to highlight the research activities of their institutions. In addition, the content of materials included in the databases and the definition of faculty also varied, depending on the type of library. Librarians reported a wide range of software employed in the development of these databases highlighting their creation by librarians with various levels of programming skills. Moreover, additional features included in these projects underscore the potential for librarians to provide added value from this service. Finally, while institutional repositories seemingly present similar content, publication databases differ in their focus on a citation format that offers a solution to items without copyright permission for full-text accessibility. 相似文献
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《Government Information Quarterly》2006,23(2):169-190
Section 508 of the Rehabilitation Act requires federal e-government Web sites to be accessible to persons with disabilities. While some studies have assessed the accessibility of federal e-government sites, most of these studies did not sufficiently examine the breadth and depth of issues related to Web site accessibility. This article details a multi-method, user-centered study of the accessibility of federal e-government sites that addresses the complexities of accessibility and the reasons for continued inaccessibility on federal e-government sites. By employing policy analysis, user testing, expert testing, automated testing, and a survey of federal Web developers, this study provides a multi-dimensional, user-centered portrait of the levels of accessibility of federal e-government Web sites, reasons for the current levels of accessibility, and perceptions about accessibility. This article discusses the legal requirements of accessibility, the previous research, and the data and findings of this study, and ultimately offers recommendations for increasing federal e-government Web site compliance with Section 508. 相似文献
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Conversations with Web Site Users: Using Focus Groups to Open Discussion and Improve User Experience
《Journal of Web Librarianship》2013,7(2):53-82
ABSTRACTUser feedback on Web site design can be vital to understanding what issues library users may encounter when visiting a Web site, but obtaining this feedback can be time consuming, difficult to structure, and expensive. In past years, staff working on the Cal Poly Pomona University Library Web site collected user feedback from surveys and usability testing. This team was interested in acquiring a more basic understanding of how users interact with the Web in general, whether for research or other purposes, and how such experiences could inform design decisions. This article will discuss what focus groups are, why libraries should consider conducting focus groups for Web site testing and development, how focus groups can complement usability testing, and if focus groups are worth the time and effort. Results from focus group sessions will also be shared and discussed including information that fueled design decisions and benefits that participants gained from the experience. 相似文献
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ABSTRACT The paper discusses and analyzes the coverage of scientific serials in Google Scholar (GS). The focus is on an exploratory study. The study shows deficiencies in the coverage and up-to-dateness of the GS index. Furthermore, the study points up which Web servers are the most important data providers for this search service and which information sources are highly represented. There is a relatively large gap in Google Scholar's coverage of German literature as well as weaknesses in the accessibility of Open Access content. 相似文献
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国外网络引文研究的现状及展望 总被引:1,自引:0,他引:1
国外的网络引文研究可分为四个方面,侧莺点各不相同:Print-Print引文研究着重于网络环境下传统引文数据库的分析;Print-Web引文研究大多集中在网络引文的可获得性方面;Web-Print引文研究注重实证与传统引文的比较;Web-Web引文研究则是将来引文发展的总趋向.网络引文数据的动态件和不可靠性、网络文献缺乏有效控制与规范,以及数据的精确性问题,都给引文分析带来一定困难.目前相关的研究还处于开创性和探索性阶段,未来的网络引文研究将重点从理论体系的构建、研究方法的完善与实践应用的深化三个层面展开. 相似文献