| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a retrieval distribution server which is capable of distributing advertisement information (associated information) corresponding to a retrieval log of a user from a view point of an advertiser, and a program and a method therefor. <P>SOLUTION: A retrieval distribution server includes information search engine means, retrieval log storage means, analysis target keyword extraction means, analysis target keyword list means, analysis target retrieval log extraction means, retrieval session dividing means and retrieval session class extraction means. The retrieval distribution server further has associated information keyword list means which records an associated information keyword, associated information keyword adding means which adds the associated information keyword to an analysis target keyword list, keyword belonging class calculation means which detects a class including the associated information keyword, among (k) pieces of retrieval session classes, as a belonging class and distribution destination determination means which extracts a user identifier of a retrieval log included in the belonging class and distributes associated information to a terminal corresponding to the user identifier. <P>COPYRIGHT: (C)2012,JPO&INPIT |
