2BHOWMICK S S,MADRIA S,NG W K.Representation of Web data in a Web warehouse[J].The Computer Journal,2003,46(3):229-262.
3JIANG Weijin,XU Yusheng,XU Yuhui.A data mining algorithm based on the rough sets theory and BP neural network[R]//Proceedings of SPIE.Bellingham,Wash.,USA:SPIE,2005:6045.
4AGRAWAL R,SRIKANT R.Mining sequential patterns[C]//Proceedings of the 11 th International Conference on Data Engineering.Los Alamitos,Cal.,USA:IEEE Computer Society,1995:3-14.
