| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mechanism capable of easily and reliably discriminating whether a user has the authority to use a certain service and efficiently accumulating the user's past use results of the service or the like. <P>SOLUTION: A center 1 has a use code issuing part 16 for issuing to the user use authority information of the service each time a use request for the service is received from the user, a discrimination processing part 17 for discriminating whether use authority information subjected to the use request by the user is proper authority information, and a notification processing part 18 for notifying to the effect that the service is available when the use authority information is proper. <P>COPYRIGHT: (C)2003,JPO |
