| 摘要 |
An information providing apparatus is responsive to a request from a client for providing predetermined information to the client, and includes a part transmitting to the client usage authentication information identifier for usage authentication information according to the predetermined information; and a part identifying, upon receiving the usage authentication information identifier from the client, identifying uniquely a predetermined information identifier for identifying the predetermined information from said usage authentication information identifier, and providing the predetermined information identified by said predetermined information identifier to the client. <IMAGE>
|
