Document (#2352)

Author
Hancock-Beaulieu, M.
Title
Query expansion : advances in research in online catalogues
Source
Journal of information science. 18(1992), S.99-103
Year
1992
Abstract
Query expansion is the process of supplementing or replacing the original query terms with additional terms either at the search formulation or search reformulation stages. Different approaches to implementing query expansion are considered in three online catalogs
Theme
OPAC
Semantisches Umfeld in Indexierung u. Retrieval

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