-
Alonso Lifante, M.P.; Molero Madrid, F.J.: Enhancing OPAC records : evaluating and fitting within cataloguing standards a new proposal of description parameters for historical astronomical resources (2015)
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- Abstract
- Enhancing content description of specialized resources, particularly astronomical resources, is a matter that is still unresolved in library and information science. In this paper, the authors outline deficiencies in some fields and elements of cataloging standards for description of historical astronomical resources, mainly star atlases and catalogs. Furthermore, they review their recent proposal of astronomical parameters for a better description and propose an approach for accommodating these parameters in the current criteria of MARC 21, the International Standard Bibliographic Description, and Resource Description and Access. Fourteen new parameters are considered, and recommendations are provided to standards developers for the addition of elements to accommodate attributes of celestial cartographic resources. This would improve bibliographic records for such resources in astronomical libraries' OPACs, which will have a beneficial effect on information retrieval.
- Date
- 10. 9.2000 17:38:22
-
Hancock-Beaulieu, M.: Bibliographic standards and the online catalogue user (1991)
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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
-
Walker, S.: Subject access in online catalogues (1991)
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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
-
Wells, D.: Online Public Access Catalogues and library discovery systems (2021)
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- Abstract
- This article provides an overview of computer based catalogue systems designed for use by library clients, seeing present day 'discovery systems' on the same trajectory as the older 'online public access catalogues' (OPACs) which they are gradually replacing, both in technical development and their approach to client use scenarios. It traces the history of the OPAC/discovery system from its origins in the library automation of the 1960s through to the present and discusses the main technical standards which have formed its development. The article goes on to consider questions relating to the usability of electronic library catalogues and highlights semiotic and ethical issues inherent to their design. It concludes with reflections on the future of the OPAC/discovery system in an information universe apparently dominated by the internet search engine.
- Series
- Reviews of concepts in knowledge organization
- Source
- Knowledge organization. 48(2021) no.6, S.457-466
-
Schallier, W.: On the razor's edge : between local and overall needs in knowledge organization (2004)
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- Abstract
- Recent projects in subject indexing and classification at K.U.Leuven University Library (Belgium) aim to give new Impulses to knowledge organization within the Institution. While in recent years a lot of attention was given, and with good reason, to the technical and administrative integration of e-sources, less energy was invested in organising the content of traditional and electronic collections. Nevertheless, presenting information sources in a content-structured way remains a core task of our University Library. This paper focuses an some experiments with subject search interfaces at K.U.Leuven University Library and situates them in a new policy for knowledge organization, which tries to find a balance between local and overall needs.
- Content
- 1. One Institution, one catalogue, one solution? K.U.Leuven University Library has a decentralised structure consisting of several department libraries and one central library. It is part of LIBIS-net, which is the biggest network of academic libraries in Belgium. In this network, maintaining the balance between local and overall needs presents a constant challenge. Standards and overall rules in cataloguing are indispensable for permitting information exchange within and outside the network. On the other hand, overall solutions do not necessarily render the best service to the user of a specific library. This is especially the case for subject cataloguing. It is difficult, and perhaps unreasonable, to convince a department library to use a generally accepted thesaurus like LCSH, if the users are familiar with a local classification that is much better adapted to the collection. The DOBIS/LIBIS library system of K.U.Leuven offered a technical solution for the conflict between overall and local needs. The main part of the bibliographic description was stored an the overall level and was visible for the whole network. For subject cataloguing this was the case for UDC, LCSH and McSH. A UDC authority file was built containing UDC codes linked to descriptors in different languages (Dutch, English and French). The authority file was linked to the UDC codes used in the bibliographic descriptions. This permitted searching by either UDC codes or verbal terms. LCSH were regularly and automatically uploaded in the catalogue to enrich the bibliographic descriptions. Finally, our Library of Biomedical Sciences used McSH. Local information, like thesauri and classifications exclusively used in a specific library, were stored in local files ("local keywords") and could only be seen by that library (up to branch level). For many years, this local information posed no difficulties. 27.04% of all documents and 38.16% of those younger than 1992 have local keywords
- Series
- Advances in knowledge organization; vol.9
- Source
- Knowledge organization and the global information society: Proceedings of the 8th International ISKO Conference 13-16 July 2004, London, UK. Ed.: I.C. McIlwaine
-
Matthews, J.R.: ¬The distribution of information : the role for online public access catalogs (1994)
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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
-
Bryant, B.: Subject wise? : on providing access to information through interactive catalogues (1993)
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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
-
Larson, R.R.; McDonough, J.; O'Leary, P.; Kuntz, L.: Cheshire II : designing a next-generation online catalog (1996)
0.06
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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
-
Rodríguez Bravo, B.; Travieso Rodríguez, C.; Simões, M.G. de M.; Freitas, M.C.V. de: Evaluating discovery tools in Portuguese and Spanish academic libraries (2014)
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- Abstract
- The aim of the research undertaken was to get to know the degree of implementation of discovery tools in university libraries in the Iberian Peninsula. It also allowed an initial evaluation of the facilities offered by the tools implemented. With regard to the presence of discovery tools we find a different situation in the two countries, with a higher degree of implementation in Spain. As for the behaviour of the discovery layers, the eight tools evaluated performed appropriately. Discovery tools represent a considerable advance. The combining of the library's catalogue and indexes to articles with other sources of information in a single unified interface is an unquestionable improvement. However, catalogues and databases still fulfil some purposes better than discovery tools. Libraries need to consider their clients when putting up on their websites the various tools for gaining access to contents.
- Series
- Advances in knowledge organization; vol. 14
- Source
- Knowledge organization in the 21st century: between historical patterns and future prospects. Proceedings of the Thirteenth International ISKO Conference 19-22 May 2014, Kraków, Poland. Ed.: Wieslaw Babik
-
Wool, G.J.: ¬The many faces of a catalog record : a snapshot of bibliographic display practices for monographs on online catalogs (1996)
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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
-
Smith, N.A.: ONE, OPAC network in Europe : taking a further step towards a Europe-wide information network (1995)
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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
-
Gray, J.: Accessing electronic resources via the library catalogue at Monash University Library (1998)
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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
-
Petrucciani, A.: Quality of library catalogs and value of (good) catalogs (2015)
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- Abstract
- The quality of large catalogs is uneven and often low, but this issue is underrated and understudied. Library catalogs often fail to communicate correct and clear information to users and their low quality is not simply due to faults, duplications, and so on but also to unwise cataloging standards and policies. While there is plenty of uncontrolled information about books and other publications, the need for good-quality bibliographic information is apparent and library catalogs may provide a trustworthy map of the publishing output, with full control of editions, works, authors, and so on and effective navigation functions, which are lacking in today's information-rich environment.
-
Stephens, I.E.: Getting more out of call numbers : displaying holdings, locations and circulation status (1991)
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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
-
Thomas, D.H.: ¬The effect of interface design on item selection in an online catalog (2001)
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- Abstract
- The effect that content and layout of bibliographic displays had on the ability of end-users to process catalog information was tested using a 2 x 2 factorial experimental design. Participants were asked to perform two related tasks during the course of the experiment. In the first task, they were asked to select a set of items that they would examine further for a hypothetical paper they must write, using a simulated online catalog to make their assessments of relevance. In the second task, they were asked to examine 20 bibliographic records, decide whether they would choose to examine these items further on the shelf, and identify the data elements that they used to formulate their relevance decision. One group viewed bibliographic records on an interface similar to current online catalogs, one that used data labels and contained data elements commonly found. A second group viewed these records on an interface in which the labels had been removed, but the data elements were the same as those in the first. The third group viewed these records on a labeled display that included enhanced data elements on the brief record display. The final group viewed these records with the same brief record data elements as the third group, but with the labels removed, using ISBD and AACR2 punctuation standards. For the first task, participants using enhanced brief screen interfaces viewed more brief screens and fewer full screens than their counterparts. Screen durations for the second 10 screens were found to have dropped from those of the first 10 screens. Statistical analyses comparing demographic variables to the screen frequencies uncovered many significant differences. Participants using the enhanced-content interfaces made fewer selections from index and full screens, and more selections from brief screens. For the second task, participants who used enhanced-content interfaces were able to make some sort of relevance judgment more frequently than those who used standard-content interfaces.
- Date
- 10. 9.2000 17:38:22
-
Golub, K.: Subject access in Swedish discovery services (2018)
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- Abstract
- While support for subject searching has been traditionally advocated for in library catalogs, often in the form of a catalog objective to find everything that a library has on a certain topic, research has shown that subject access has not been satisfactory. Many existing online catalogs and discovery services do not seem to make good use of the intellectual effort invested into assigning controlled subject index terms and classes. For example, few support hierarchical browsing of classification schemes and other controlled vocabularies with hierarchical structures, few provide end-user-friendly options to choose a more specific concept to increase precision, a broader concept or related concepts to increase recall, to disambiguate homonyms, or to find which term is best used to name a concept. Optimum subject access in library catalogs and discovery services is analyzed from the perspective of earlier research as well as contemporary conceptual models and cataloguing codes. Eighteen proposed features of what this should entail in practice are drawn. In an exploratory qualitative study, the three most common discovery services used in Swedish academic libraries are analyzed against these features. In line with previous research, subject access in contemporary interfaces is demonstrated to less than optimal. This is in spite of the fact that individual collections have been indexed with controlled vocabularies and a significant number of controlled vocabularies have been mapped to each other and are available in interoperable standards. Strategic action is proposed to build research-informed (inter)national standards and guidelines.
- Source
- Knowledge organization. 45(2018) no.4, S.297-309
-
Ensor, P.: Do we need standards for OPAC interfaces (1993)
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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
-
Smith, N.: Z39.50 and the OPAC Network in Europe (ONE) Project (1996)
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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
-
Beheshti, J.: ¬The evolving OPAC (1997)
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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
-
Yee, M.: Headings for tomorrow : public access display of subject headings (1992)
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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
