共查询到20条相似文献，搜索用时 125 毫秒
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从书目联机检索看馆藏信息失真 总被引：2，自引：0，他引：2
书目的联机检索是联系传统与现代服务模式的桥梁。从书目的联机检索视角看馆藏信息失真现象存在的普遍性和严重性,从微观管理层面揭示馆藏信息失真的原因及其客观必然性,强调了保持馆藏信息真实的必要性和重要性。为了减少馆藏信息失真,提出了相应的措施,这对提高图书馆的信誉,使传统与现代两服务模式更好地融合有着积极的现实意义。 相似文献
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结合检索实例探讨了系统检索科技人物传记文献的方法,包括从各种中外文书目、传记辞典、百科全书、年鉴以及题录式、文摘式检索工具中进行检索的途径和方法,并简要介绍了通过国际联机检索系统检索传记文献的策略。 相似文献
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论网络环境下的信息服务 总被引：9，自引：0，他引：9
本文通过对网络环境下的信息资源的特点进行分析,提出了在网络环境下稿好信息服务的5个问题:(1)网络环境下的信息服务可以大致地开展一般信息产品输出型服务;(2)加速信息传递网的建立,建立快速有效的信息传递通道和文献保障体系;(3)图书馆界应抓住信息资源可以共享的特征,实现联机编目、联机检索、联机订购、联机传递文献、联机互借管理、联机建库、联机共享公共软件程序库等;(4)不断完善书目数据库,健全二次文献系统,实现对各类型信息资源的书目数据库的加工;(5)加强信息服务的市场营销. 相似文献
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论我省高校图书馆开展联机联合编目的必要性和可行性 总被引：1，自引：0，他引：1
论述了联机联合编目对书目资源共享和文献资源共享的积极意义和作用，分析了目前福建省高校图书馆开展联机联合编目所具备的外部和内部条件，从而阐明了开展联机联合编目的必要性和可行性。 相似文献
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高效伟 《内蒙古科技与经济》2006,(7X):50-51
本文从编制机读目录和建立书目数据库的角度，阐述一些灵活运用CNMARC格式和选取书目记录检索点的方法，以此提高书目数据库的检索功能。 相似文献
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Dialog联机检索与Internet网络检索的比较与应用 总被引：1，自引：0，他引：1
Dialog联机检索与Internet网络检索技术巳为广大的查新检索人员所熟悉。本文旨在通过对Dialog联机检索与Internet网络检索系统功能的综合分析比较，探讨如何将两种检索技术手段有机地结合起来，更好地为科技查新服务。 相似文献
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When public catalog users enter queries that exactly match the catalog's controlled vocabulary, online systems should respond with browsing lists of alphabetically arranged subject headings, because such displays guide users to retrievals based on the assignment of the matched subject headings to bibliographic records. Unfortunately, studies of online catalog searching demonstrate that alphabetical displays are no longer capable of managing large numbers of subdivided forms of subject headings, because searchers exhibit low levels of perseverance when faced with large numbers of retrievals. This paper introduces a new approach to displaying retrieved subject headings in subject searching—the exact-display approach—designed to encourage users to browse bibliographic information. The purpose of this paper is to emphasize the importance of the exact-display approach by showing how many user queries would be candidates for this approach, demonstrate an implementation of the exact-display approach in an experimental online catalog, and feature end-user experiences with this approach as implemented in the experimental catalog. End-user experiences gave the authors the opportunity to make several recommendations for enhancing the original design of the exact-display approach so that future implementations of this approach in operational online catalogs are responsive to the needs of online catalog users. 相似文献
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William B. Rouse Sandra H. Rouse David R. Morehead 《Information processing & management》1982,18(3):141-149
The strategies, heuristics, and tradeoff?s involved in online searching of bibliographic citation networks are discussed. Results from the field of citation analysis are used to describe the mathematical structure of citation networks. An experimental environment called DBASE (Data Base Access and Search Environment) is discussed and its use in two studies of human information seeking behavior considered. Variables examined in these studies included the nature of the search question and the interconnectivity of the data base. 相似文献
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We have been teaching students about on-line bibliographic searching since 1972. With the help of British Library Research and Development Department funding we have recently extended our teaching in this area and now use services such as Lockheed, System Development Corporation and the British Library's BLAISE. This paper discusses aspects of the design of courses on on-line bibliographic searching, describes various methods we have used to demonstrate searches to students in order to prepare them for undertaking a live search themselves, and compares the relative costs, in terms of system costs and staff time, of these methods. The methods of demonstration involve the playing back of recorded searches on videotape, audio cassettes and digital cassettes as well as live demonstration and may be of interest to other teachers of library and information science students or to those involved in the training of people to carry out on-line bibliographic searching. 相似文献
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There is a fundamental difference between the world of real-time financial, and of bibliographic information online. The former is highly profitable, the latter rarely breaks even. The paper examines the major characteristics of the two types of online service in terms of customer base, pricing policy, growth rates, etc., and draws conclusions as to why bibliographic information online is so unimportant, and so unprofitable, compared to financial information services. The paper concludes with some thoughts on whether the bibliographic online business can ever become viable. 相似文献
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通过对网络地方文献的概念、类型及特点的研究,提出了用书目控制的原理与方法对网络地方文献实施书目控制的设想,详细论述了网络地方文献的评价、选择、描述、编目等书目控制方法。建立网络地方文献数据库是对网络地方文献实施书目控制的终极产品之一。 相似文献
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David Toliver 《Information processing & management》1981,17(2):61-68
A technique of online instruction and assistance to bibliographic data base searchers called Individualized Instruction for Data Access (IIDA) is being developed by Drexel University. IIDA assists searchers by providing feedback based on real-time analysis while searches are being performed. Extensive help facilities which draw on this analysis are available to users. Much of the project's experimental work, as described elsewhere [1–3], is concerned with the process of searching and the behavior of searchers. This paper will largely address itself to the project's computer system, which is being developed by subcontract with the Franklin Institute's Science Information Services. 相似文献
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Models of human information seeking in searching online bibliographic citation networks are discussed. First, the experimental environment called DBASE (Data Base Access and Search Environment) and the results from two previous experiments are briefly reviewed. Rule-based and decision theoretic approaches to modeling the search task are then presented and a progression of models is developed. The models are used to derive “optimal” search strategies when both constrained and unconstrained by experimental data. Finally, the rule-based model is used to mimic subject performance and the differences between model and subject performance are considered. 相似文献
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WorldCat是当今世界上最大的书目数据库，信息资源丰富，包含6800万条书目记录和10亿多条馆藏数据，本文详细地介绍了网上检索WorldCat数据库的方法和途径； 相似文献