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  1. Cooper, M.D.; Chen, H.-M.: Predicting the relevance of a library catalog search (2001) 10.31 
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  2. Chen, H.-M.; Cooper, M.D.: Using clustering techniques to detect usage patterns in a Web-based information system (2001) 10.31 
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  3. Chen, H.-M.; Cooper, M.D.: Stochastic modeling of usage patterns in a Web-based information system (2002) 10.31 
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