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language_ss:"e"
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theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
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year_i:[1980 TO 1990}
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- author's%3a%22Zurawski%2c A.%22 2
- authors%3a%22Zurawski%2c A.%22 2
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Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
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- Date
- 30. 3.2001 13:32:22
- Type
- a
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Robertson, S.E.: On relevance weight estimation and query expansion (1986)
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- Abstract
- A Bayesian argument is used to suggest modifications to the Robertson/Sparck Jones relevance weighting formula, to accomodate the addition to the query of terms taken from the relevant documents identified during the search
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- a