Search (5 results, page 1 of 1)

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Date

23. 1.1999 19:52:29

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Abstract

Reports on the state-of-the art of online catalogues and considers propects for future developments. Describes the background and origins of OPACs. Considers the limitations of second generation systems which are failing to meet the needs of users. Examines new approaches to their design which include: user-centre design, interface design, use of advanced retrieval techniques, and their use in the network environment. Considers future developments of OPACs taking into account developments in other electronic information sources

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Abstract

We discuss whether it is feasible to build intelligent rule- or weight-based algorithms into general-purpose software for interactive thesaurus navigation. We survey some approaches to the problem reported in the literature, particularly those involving the assignement of 'link weights' in a thesaurus network, and point out some problems of both principle and practice. We then describe investigations which entailed logging the behavior of thesaurus users and testing the effect of thesaurus-based query enhancement in an IR system using term weighting, in an attempt to identify successful strategies to incorporate into automatic procedures. The results cause us to question many of the assumptions made by previous researchers in this area

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Pages

S.20-22

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Source

Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon