Document (#42831)

Author

Gödert, W.
Horny, S.

Title

¬The design of subject access elements in Online Public Access Catalogs

Source

International Classification. 17(1990) no.2, S.66-76

Year

1990

Abstract

Experiences with retrieval in OPACs suggest that there are major problems for the users of such systems, such as choosing the 'correct' subject access vocabulary, narrowing or broadening the set of items retrieved regarding the search interest. Such problems relate to two facts: (1) that in the early OPACs subject access has not been considered seriously enough and (2) that the complexity of the topic has not been really recognized. Using a typology of users' questions it is demonstrated which requirements musts be met by a successful online subject access. Improvements of subject access tools are primarily aimed at, pinpointing the interplay between the different subcomponents of any subject facility: a) the features of the indexing languages used; b) the indexing principles used; c) the design and structuring of the database; and d) the possibilities of the technical retrieval facility, the search mode, and query languages. The contribution summarizes the manifold interactions between the four subcomponents listed. Any successful retrieval will heavily depend on the design of these components considering their interactions.

Theme

OPAC

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4. Connell, T.H.: Subject cataloging (1996) 0.24

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5. Foskett, A.C.: ¬The subject approach to information (1996) 0.23

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