| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a service system which reduces the frequency in authentication (login) to reduce the burden of authentication by a user. <P>SOLUTION: Each of service servers 10a to 10c includes a user ID database 18, a service picture database 19, a user ID extraction means 11 which extracts a user ID associated with a session ID from the user ID database 18, a status request means 12 which transmits a status request to an authentication server 20, and a service providing means 13 which transmits service picture data corresponding to a requested service to user terminals 30a to 30c operated by authenticated users. The authentication server 20 includes a status database 26 and a status inquiry processing means 23 which extracts a status associated with the user ID included in the status request, from the status database 26 and transmits the status to the service servers 10a to 10c. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
