| 摘要 |
A relevance index correction apparatus includes an attribute information obtainer, a relevance index generator, and a specific relevance index calculator. The attribute information obtainer obtains, in response to selection of a specific piece of advertisement information that is to be posted on a web page, attribute information related to the specific piece of advertisement information. The relevance index generator generates an apparent relevance index and a mean relevance index. The apparent relevance index indicates an apparent degree of relevance of the attribute information with respect to the specific piece of advertisement information. The mean relevance index indicates a mean degree of relevance of the attribute information with respect to all of a plurality of pieces of advertisement information. The specific relevance index calculator calculates a specific relevance index that indicates a true degree of relevance of the attribute information with respect to the specific piece of advertisement information. |
