| 摘要 |
PROBLEM TO BE SOLVED: To provide an advertisement site which can receive a request of a user to be provided with an article complying with a request of a user as a buyer and present the user's request for an enterprise, etc., as a seller. SOLUTION: Detailed contents which are provided include general article advertisement contents regarding general articles being existent articles and virtual article advertisement contents regarding virtual articles being at least nonexistent articles and in the virtual article advertisement contents, intention notification links for intention notification showing interest in the virtual articles are generated by user's input. The managing server 14 is equipped with a catalog processing part 38 which obtains data regarding specific virtual article contents from a virtual article catalog DB 40 according to commands received via a user reception part 36 to present the virtual article contents to the user, recognizes user's interest in response to the use of an intention notification link in the virtual article contents, and updates the index indicating the user's interest in the virtual article stored in the DB 40. |
