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Liu, X.; Croft, W.B.: Cluster-based retrieval using language models (2004)
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Shneiderman, B.; Byrd, D.; Croft, W.B.: Clarifying search : a user-interface framework for text searches (1997)
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Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987)
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- Source
- Annual review of information science and technology. 22(1987), S.109-145
-
Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997)
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- 27. 2.1999 20:55:22
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Murdock, V.; Kelly, D.; Croft, W.B.; Belkin, N.J.; Yuan, X.: Identifying and improving retrieval for procedural questions (2007)
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Xiaoyan Li, X.; Croft, W.B.: ¬An information-pattern-based approach to novelty detection (2008)
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Shneiderman, B.; Byrd, D.; Croft, W.B.: Clarifying search : a user-interface framework for text searches (1997)
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Liu, X.; Croft, W.B.: Statistical language modeling for information retrieval (2004)
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