| 摘要 |
<P>PROBLEM TO BE SOLVED: To perform suitable recommendation according to an operation history of a user. <P>SOLUTION: The information retrieval device includes profile generation means for generating profile information to be used for recommendation from document operation history information recorded with an operation history for each operation type of a user performing in relation to a plurality of registered documents, recommendation score calculation means for analyzing the profile information generated by the profile generation means and calculating each recommendation score of the plurality of documents on the basis of the analysis result, and recommendation result display means for displaying a recommendation result document calculated by the recommendation score calculation means on a display device, to solve a problem in which many unnecessary documents appear in the recommendation result and the suitable recommendation cannot be performed. <P>COPYRIGHT: (C)2013,JPO&INPIT |
