Document (#19817)

Author
Walker, S.
DeVere, R.
Title
Improving subject retrieval in online catalogues : T.2: Relevance feedback and query expansion
Imprint
London : British Library
Year
1990
Series
British Library research paper; 72
Content
1. Introduction // 2. Query modification through relevance feedback // 3. System design & description 4. Evaluation // 5. Analysis & results // 6. Conclusions and recommendations
Theme
OPAC
Semantisches Umfeld in Indexierung u. Retrieval

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