| 摘要 |
PURPOSE: A method, a system and a computer readable recording medium for enabling advertiser to bid for search advertisement by inputting target ranking are provided to offer appropriate bidding price depending on the target rank of the search advertisement to advertiser. CONSTITUTION: A bidding price calculating unit(211) receives posting time and target rank about the search advertisement from the advertiser calculating unit. The bidding price calculating unit computes the bidding price about the search advertisement in order to make it over the bidding price about the other search advertisement corresponding to the target rank and posting time. The other search advertisement as described above relates to the same search keyword as the search advertisement. A bidding price determining unit(213) receives the bidding price based on the calculated bidding price as described above from advertiser calculating unit. |
