| 摘要 |
<P>PROBLEM TO BE SOLVED: To smoothly achieve barter on the Internet. <P>SOLUTION: The transfer request articles and acquisition request articles of users are stored in an article database 23 so as to be associated with each other for each of a plurality of users, and when the transfer request articles input to an information screen are stored as the acquisition request articles of the other user, an information screen on which the transfer request articles stored so as to be associated with the acquisition request articles are carried is provided to user terminals 10-1 to 10-n, and when the acquisition request articles input to the information screen are stored as the transfer request articles of the other users, the information screen on which the acquisition request articles stored so as to be associated with the transfer request articles are carried is provided to the user terminals 10-1 to 10-n. <P>COPYRIGHT: (C)2008,JPO&INPIT |
