| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that precision of recommendation is low conventionally. <P>SOLUTION: An information processor includes: a link information generating portion that reads two or more pieces of operation information having a user identifier and an object identifier for identifying an object that a user has performed an operation, detects two or more object identifiers linked via a user identifier contained in the two or more pieces of operation information, and generates link information indicating a link relationship between two or more objects; an object identifier accepting portion that accepts one object identifier; an in-group object identifier acquiring portion that acquires an object identifier having the predetermined level or more of relevance with the one object identifier accepted by the object identifier accepting portion by using the generated link information; and an in-group object information output portion that outputs object information, which is information related to an object identified with the object identifier acquired by the in-group object identifier acquiring portion. Thus, the recommendation precision of merchandise or the like is improved. <P>COPYRIGHT: (C)2009,JPO&INPIT |
