Search (6 results, page 1 of 1)

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Footnote

Rez. in: Journal of academic librarianship (1990) S.44 (R.J. Dorn); Bibliothek; Forschung u. Praxis 14(1990) S.90-91 (W. Umstätter)

Series

Advances in library information technology; 2

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Footnote

Wiederabgedruckt in: Future of online catalogues. Essen Symposium, 30.9-3.10.1985. Ed.: A.H. Helal. S.3-55.

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Abstract

Kritische Betrachtung des Einsatzes von graphischen Oberflächen für die Gestaltung von Suchoberflächen in OPACs

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Abstract

The World Wide Web (simplified here to "Web") is well-known for its "point and click" graphical user interface (GUI) and hyperlink search and navigate capabilities. When OPACs are placed in this operational context, users can easily hyperlink from a bibliographic display to related search terms, class marks, or bibliographic records. This hyperlinking capability is not available in most conventional text-based OPACs. As more and more users undertake their searches on Web-based information retrieval systems such as OPACs, it is natural to ask, "Are Web-based OPACs more effective retrieval systems than their conventional predecessors?" This paper presents the findings of an experimental study which compared users' search performance, assessments of ease of use, and satisfaction with search results after use of a Web OPAC or its conventional counterpart. The primary questions addressed by this research center on the influence of two experimental factors, OPAC search interface style and search task level of difficulty, on the dependent variables: actual search performance, perceptions of ease of use, and user assessments of satisfaction with search results. It was hypothesized that Web OPACs would be assessed as easier to use and that they would outperform conventional OPACs when measured by actual search results and users' levels of satisfaction with search results. Web OPAC searchers outperformed Text OPAC searchers, but search task level of difficulty is a major determinant of search success. The study also found little association between searchers' level of satisfaction with results and actual search performance

Series

Advances in knowledge organization; vol.7

Source

Dynamism and stability in knowledge organization: Proceedings of the 6th International ISKO-Conference, 10-13 July 2000, Toronto, Canada. Ed.: C. Beghtol et al

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Abstract

Describes the development of OPAC models and approaches. Examines subject searching in OPACs and the value of browsing as an information seeking method. Discusses the advantages and disadvantages of extending the online catalogue to nontraditional networked information resources