Search (340 results, page 1 of 17)

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Abstract

Online catalogue studies indicate that users have difficulties in searching the bibliographic tool. Highlights bibliographic factors which influence the design and use of online catalogues. Shows how existing standards in the areas of cataloguing, subject authority and classification are influencing design of future systems

Source

Standards for the international exchange of bibliographic information: papers presented at a course held at the School of Library, Archive and Information Studies, University College, London, 3-18 August 1990. Ed.: I.C. McIlwaine

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Abstract

Discusses some of the methods of subject access to on-line catalohues (OPACs) and argues that none are entirley satisfactory. Describes 2 methods for improving subject access: best match searching; and automatic query expansion application and discusses their feasibility. Mentions emerging application standards for information retrieval and concludes that existing standards are incompatible with most methods for improving standards

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Abstract

The author presents the environment of the OPAC as a new revenue stream of high potential. He suggests that the abstracting and indexing community is neglecting this important source and suggests industry-wide adoption of open standards as a remedy

Source

Information services and use. 14(1994) no.2, S.73-78

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Abstract

Addresses the complementarity of cataloguers and librarians and the need for comprehensive access to collections as an introduction to a discussion of developments in the UK and activities af the Book Data and research project at Bath University which has made use of Book Data records. Discusses the problems facing designs of OPACs and the aim of developing the ideal interactive catalogue, the future of bibliographic standards and standards for subject access, the problem of identification and retrieval of information through the interactive catalogue, and the merits of classification in the development of improved subject access

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Abstract

The Cheshire II online catalog system was designed to provide a bridge between th realms of purely bibliographical information and the rapidly expanding full-text and multimedia collections available online. It is based on a number of national and international standards for data description, communication, and interface technology. The system uses a client-server architecture with X window client communication with an SGML-based probabilistic search engine using the Z39.50 information retrieval protocol

Source

Journal of the American Society for Information Science. 47(1996) no.7, S.555-567

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Abstract

Reports results of analysis and comparison of full level displays of bibliographic records in 36 North American online catalogues for 5 monographs, for both layout and content, with the ISBD and traditional catalogue carddisplay practive for headings and tracings. Presents a taxonomy of display characteristics found in the sample, including: completeness; visual layout; data sequence; label specifity; and integration of description and access points. Discusses the relationship of display technology and practice to current standards for creating catalogue records, emphasizing the need for content standards reflecting the modular nature of computerized records. Concludes that future OPAC displays will resemble card catalogue records less and less, both visually and in structure and content, and points to the need for further research to gather the information needed to make the transition as smooth as possible

Source

Information technology and libraries. 15(1996) no.3, S.173-195

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Abstract

OPAC Network in Europe (ONE) is a project aimed at providing users with better ways to access library OPACs and national catalogues and which will stimulate and facilitate internetworking between libraries in Europe. The project is based on SR/Z39.50 standards which enable users to search widely different computer systems across networks and offer end users the promise of greater ease of use through a solution to the proliferation of different user interfaces to library catalogues

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Abstract

Discusses some of the problems encountered in accessing electronic resources via the library catalogue at Monash University Library and looks at attempts to resolve them. Sets out the reasons for cataloguing Internet resources and examines key issues in electronic access; user interface; what resource to catalogue; cataloguing skills; location and access; standards; bibliographic description; cataloguing workflow; catalogue maintenance; and archiving and preservation

Footnote

Adapted version of a presentation to the Joint Australian Library and Information Catalogues and UCRLS Meeting, Melbourne, Victoria, Australia, 16 Jul 1998

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Abstract

Online catalogs provide libraries with an opportunity to move away from the traditional card catalogue for the display of bibliographic information. As standards emerge for displaying bibliographic data, librarians should rethink how, where, and which data are included, as well as how that data should be labelled. Call numbers, holdings, locations, and circulation status information should appear together. Location and other related codes intrinsic to call numbers should be translated into plain text

Footnote

Simultaneously published as Enhancing Access to Information: Designing Catalogs for the 21st Century

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Abstract

Considers whether standards are needed for OPAC interfaces. Examines issues surrounding calls for standards for OPAC interfaces. It is unlikely that one interface will be accepted by vendors. The role of the OPAC is changing so rapidly there is little chance of standardization

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Abstract

Examines the use of the Z39.50 Information Retrieval protocol for provision of access to its collections. Z39.50 offers a translation of different search engines developed by library systems suppliers and online database hosts. Traces its development and describes its abstraction and metalanguage, and the TCP/IP and OSI layer. It is being further developed in project ONE - OPAC Network in Europe, and European Union Library Plan project which began in Jan 95, of which the British Library is a partner. It aims to link national library catalogues in an open standards and telecommunications network, and to achieve interoperability by use of Z39.50. Describes the project so far, agreements made, and future developments

Source

Information services and use. 16(1996) nos.3/4, S.189-197

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Abstract

Advances in computer and communication technology technology have had an important impact on OPACs. The client server architecture model, the Internet, protocols, and standards such as Z39.50 have resulted in newly designed interfaces which reduce syntactic and semantic knowledge required to conduct effective online searches. Experimental OPACs have been developed in an attempt to assist users in conceptual transformation of their information needs into searchable queries. These experiments are based primarily on determining users' behaviour at the OPAC terminal, which needs much further study. Other non traditional models for storing and retrieving information should be considered to create an intuitive OPAC

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Abstract

This short guide is intended to help librarians and OPAC system designers to make decisions about the design of displays of more than one subject heading. The authors stress that they offer guidance rather than standards or prescriptions; their clear prose is cautious and even the number of recommendations is limited. A 12-page introduction contrasts the "structural approach" and "strict alphabetical approach" to filing, showing examples and stating arguments for each. 7 chapters cover display of subdivisions, inverted headings, display of qualified headings, arrangement of numerical headings, display of subjects interfiled with names and titles, punctuation and messages to the user. Within each chapter, questions involving choices between two or more approaches are followed by brief statements of current practice (LC rules, ALA rules, and systems in existing OPACs) extensive examples demonstrating such choices, and arguments for and against each. The authors warn against ever assuming that the user knows the needed subject headings, and acknowledge that the best OPAC design often depends on the setting and on the user's understanding of the system. Although the topic may be beyond the purview of the authoring committee, the discussion here makes one yearn for interactive OPACs that can analyze the user's needs and provide appropriate guidance to whatever system is adopted

LCSH

Online library catalogs / Subject access / Standards / United States
Information display systems / Formatting

Subject

Online library catalogs / Subject access / Standards / United States
Information display systems / Formatting

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Abstract

The paper will discuss the impact on cataloging standards and bibliographic data formats and will point into the direction of a new cataloging environment with different access point accordings to the information requirements of the users. The present subject headings and classification schemes used to index library materials have to be considered obsolete. The aim must be the integration of existing thesauri accepted and used by the acedemic community by utilizing a 'meta language' as a software engineering tool. This 'meta language' will offer access points by means of different facets focusing the information stored, and these facets will be interactivelyselected by the user supporting the demands of his academic field and retrieval practice

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Abstract

Argues that in library cataloguing and for optional functionality of bibliographic records the indexing of fields and subfields should follow a uniform approach. This would maintain effectiveness in searching, retrieval and display of bibliographic information both within systems and between systems. However, a review of different postings to the AUTOCAT and USMARC discussion lists indicates that the indexing and tagging of cataloguing data do not, at present, follow a consistent approach in online library systems. If the rationale of cataloguing principles is to bring uniformity in bibliographic description and effectiveness in access, they should also address the question of uniform approaches to the indexing of cataloguing data. In this context and in terms of the identification and handling of data elements, cataloguing standards (codes, MARC formats and the Z39.50 standard) should be brought closer, in that they should provide guidelines for the designation of data elements for machine readable records

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Abstract

Current research on user interfaces to online public access catalogs is reviewed in an attempt to identify research methods and findings applicable to the design of effective user interfaces to online public access catalogs. A broad definition of user interface is employed which includes data structures, in addition to searching and indexing software. The following features of online public access catalogs are discussed: the demonstration of relationships between records, the provision of entry vocabularies, the arrangement of multiple entries on the screen, the provision of access points, the display of single records, and the division of the catalog into separate files or indexes. For each feature, user studies and other research on online public access catalogs are reviewed and those findings summarized which provide insight into user needs concerning that particular feature; issues are identified and directions for further research are suggested. Implications for cataloging codes and standards and system design are discussed

Source

Journal of the American Society for Information Science. 42(1991), S.78-98

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Abstract

A discussion document produced following a meeting the Users of Book Industry Standards (UBIS) Bibliographic Standards Working Group at the University of London as part of a project to consider the Survey on the use of UK-MARC by Russell Sweeney published in 1991 by the British Library National Bibliographic Service. Considers the suitability, or otherwise, of the UKMARC format for use in OPACs. Summarizes the issues involved, discussing: the UKMARC exchange format, tagging and coding structure (record complexity, analytical entries, non filing indicators), data content (statements of responsibility, main versus added entry) and records standards

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Abstract

Standards for user interfaces for access to bibliographic data bases cannot be developed without more complete understanding of the current user, user attitude and capabilities. Gives 3 means of achieving this based on observing the user. 45% of access points in subject searches results in no retrievals. Errors in searching on-line catalogues occur with a 40% no hit title search rate and a 51% no hit author search rate when those records were on the data base. Stresses the importance of fundamental user interface components contained in the IBM staff publication systems guide. Concludes that although there is no such thing as a standard user it is still vital to develop user standards

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Date

22. 4.1996 20:07:57

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