| 摘要 |
PROBLEM TO BE SOLVED: To present content according to a preference of a user on the basis of information showing a connection between users.SOLUTION: When a content retrieval request and a user ID are received from a communication terminal 1, an information retrieval server 3 performs retrieval in a database on the basis of the retrieval request (S4). A management server 2 specifies another user who has a connection with a user identified by the user ID which is received by the information retrieval server 3, and specifies content ID stored in association with the specified other user (S6). The information retrieval server 3 determines a display order of content IDs retrieved by itself on the basis of the content ID specified by the management server 2 (S8). |
