| 摘要 |
<P>PROBLEM TO BE SOLVED: To recommend, to a user, a product which the user wants to buy and which a service provider wants to show in an EC site. <P>SOLUTION: In the present invention, a degree of interest in a product of a user is calculated from purchase information, information on a product whose sales are desired to be promoted by a service provider and setting parameters are acquired, weight parameters are calculated using whether a user has purchased a product, the degree of interest, the sales promotion product information, and the setting parameters for all combinations of a product and a user, only products not purchased by a user among respective products are acquired using the purchase information of the user when an identifier of the user is given, a recommendation score for each product not purchased by the user is calculated using the degree of interest, the sales promotion product information, and the weight parameters for the products not purchased by the user, and identifiers of products with the top N recommendation scores are selected as recommendation products. <P>COPYRIGHT: (C)2012,JPO&INPIT |
