3Han J,Kamber M.Data Mining Concepts and Techniques Morgan Kaufmann Publishers,2000.
4Building Classification Models.ID3 and C4.5.http://yoda.cis.temple.cdu:8080/UGAIWWW/lectures/C45/,2002-12-17.
5Sviokla J J, Benson P. Seeking customers[C]. Harvard Business School Press, 1993. 137-155.
6Joseph B, Peppers D, Rogers M. Do you want to keep your customers forever[J].Harvard Business Review,1995,(3-4):103-104.
7Frederick F R. The loyalty effect:the hidden force hind growth,profits,and lasting value[M].Boston,beMassachusetts: Harvard Business School Press, 1996.
8Hoskins J C, Himmelblau D M. Process control via artiComput Chem Eng, 1992,16(4): 141-151.
