| 摘要 |
PROBLEM TO BE SOLVED: To provide actually useful information for an advertiser in changing advertisement content and a setting keyword, without large amounts of costs.SOLUTION: The reference information provision device for an advertiser includes: registration acceptance means of accepting registration of the advertisement content and setting keyword of a retrieval interlock type advertisement from a first terminal device and performing the registration to a database; image keyword acquisition means of acquiring an input result of an image keyword indicating impression on the registered advertisement content by a general user from a second terminal device; reference information generation means of generating reference information provided to an advertiser on the basis of the acquired input result; and reference information transmission means of transmitting the generated reference information to the first terminal device. |
