1[1]Cooley,R.,Srivastava,J.Data preparation for mining World Wide Web browsing patterns.Journal of Knowledge and Information Systems,1999,1(1):5～32.
2[2]Fayyad,U.M.,Piatetsky-Shapiro,G.,Smyth,P.The KDD process for extracting useful knowledge from volumes of data.Communications of the ACM,1996,39(11):27～34.
3[3]Mobasher,B.,Jain,N.,Han,E.H.,et al.Web mining:pattern discovery and from World Wide Web transactions.Technical Report,96-050,University of Minnesota,1996.
4[4]Wu,K.L.,Yu,P.S.,Ballman,A.SpeedTracer:a web usage mining and analysis tool.IBM System Journal,1998,37(1):89～105.
