| 摘要 |
PROBLEM TO BE SOLVED: To optimize a charge by appropriately evaluating a value of using a targeting function and restricting delivery of advertisement content of a bidding price deviating from an overall bidding pice trend.SOLUTION: An advertisement charge optimizing device restricts delivery of advertisement content and sets a minimum delivery price for determining a lower limit of a bidding price in an advertisement information provision divice that delivers advertisement content submitted by a sponsor on the basis on the bidding price set by the sponsor. The advertisement charge optimizing device includes minimum delivery price calculation means that calculates a minimum delivery price for each targeting element on the basis of bid information submitted by a plurality of sponsors using a targeting function and bid information without using the targeting function. |
