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Cooper, M.D.: Design considerations in instrumenting and monitoring Web-based information retrieval systems (1998)
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Cooper, M.D.: Usage patterns of a Web-based library catalog (2001)
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Chen, H.-M.; Cooper, M.D.: Using clustering techniques to detect usage patterns in a Web-based information system (2001)
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Cooper, M.D.; Chen, H.-M.: Predicting the relevance of a library catalog search (2001)
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Chen, H.-M.; Cooper, M.D.: Stochastic modeling of usage patterns in a Web-based information system (2002)
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