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  1. Cowie, J.; Lehner, W.: Information extraction (1996) 10.31 
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  2. Cowie, J.; Guan, Z.: CRL English routing system for TREC-5 (1997) 10.31 
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  3. Abdelali, A.; Cowie, J.; Soliman, H.S.: Improving query precision using semantic expansion (2007) 10.31 
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