-
Cowie, J.; Lehner, W.: Information extraction (1996)
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Cowie, J.; Guan, Z.: CRL English routing system for TREC-5 (1997)
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- Source
- The Fifth Text Retrieval Conference (TREC-5). Ed.: E.M. Voorhees u. D.K. Harman
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Abdelali, A.; Cowie, J.; Soliman, H.S.: Improving query precision using semantic expansion (2007)
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