Document (#3859)

Author
Robertson, S.E.
Thompson, C.L.
Title
¬An operational evaluation of weighting, ranking and relevance feedback via a front-end system
Imprint
London : British Library
Year
1987
Series
BLRDD report; no.5949
Theme
Retrievalstudien

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  5. Robertson, S.E.: On term selection for query expansion (1990) 0.46
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