| 摘要 |
<P>PROBLEM TO BE SOLVED: To distribute advertisement of a product or service having high relevance to contents desired by a person browsing Web pages. <P>SOLUTION: An advertisement distribution device comprises: a keyword related information storage unit 32 for storing keyword related information; an advertisement information storage unit 35 for storing advertisement information; a keyword extraction unit 13 for extracting a keyword; a category determination unit 14 for extracting categories with high relevance to the keyword and determining an optimal category for the keyword on the basis of an index calculated for each extracted category; an optimal category information storage unit 34 for storing optimal category information; a linkable display instruction unit 15 for giving an instruction to perform linkable display to the keyword; and an advertisement content extraction unit 16 for, when a keyword is specified, on the basis of the specified keyword, a corresponding optimal category, and advertisement information, extracting advertisement content related to the specified keyword and the optimal category. <P>COPYRIGHT: (C)2013,JPO&INPIT |
