The user interesting degree evaluation index is designed to fulfill the users' real needs,which includes the user' attention degree of commodity,hot commodity and preferential commodity.User interesting degree model(UIDM) is constructed to justify the value of user interesting degree;the personalization approach is presented;operations of add and delete nodes(branches) are covered in this paper.The improved e-catalog is more satis?ed to users' needs and wants than the former e-catalog which stands for enterprises,and the improved one can complete the recommendation of related products of enterprises.
