| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a content to a subscriber only for a contract period and navigating to another delivery method for other persons or other periods. <P>SOLUTION: The content providing system adapted to change, depending on a corresponding period or user, data to be provided to users comprises a means specifying, upon access to data by a user, its acceptance time, and determining whether the time is within a preset valid period or not; a means determining, when the time is within the valid period, whether the user is a subscriber or not; and a means providing, when he/she is the subscriber, contents thereto, and navigating into a page performing content sales when the user is not a subscriber, or the time is out of the valid period. <P>COPYRIGHT: (C)2007,JPO&INPIT |
