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- author's%3a%22Arnold%2c S.E.%22 2
- authors%3a%22Arnold%2c S.E.%22 2
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Robertson, S.E.: On relevance weight estimation and query expansion (1986)
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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