Document (#3858)

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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