PURCHASE HISTORY MANAGEMENT SERVICE PROVISION SYSTEM, PURCHASE HISTORY MANAGEMENT SERVICE PROVISION METHOD AND PURCHASE HISTORY MANAGEMENT SERVICE PROVISION PROGRAM

摘要

PROBLEM TO BE SOLVED: To efficiently and reliably provide information on unpurchased merchandise.;SOLUTION: A system comprises a purchase information reception part 110 for receiving merchandise purchase information, a user matching part 111 for processing user matching based on user information, a purchase history registration part 112 for registering the merchandise purchase information in a purchase history database, a new merchandise determination part 113 for, when merchandise information about new merchandise is newly set in a merchandise information database, searching purchased merchandise in the purchase history database for merchandise matching attributes of the merchandise information about the newly set merchandise to determine whether or not the newly set merchandise is included in the purchased merchandise, and an output processing part 114 for, if the determination finds that the newly set merchandise is not included in the purchased merchandise, outputting the information about the newly set merchandise to an output interface as destining it for a corresponding user.;COPYRIGHT: (C)2006,JPO&NCIPI