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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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- Journal of the American Society for Information Science and technology. 52(2001) no.11, S.888-904
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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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- Journal of the American Society for Information Science and technology. 53(2002) no.7, S.536-548