| 摘要 |
PROBLEM TO BE SOLVED: To easily find content preferred by a user.SOLUTION: An information processing system includes a similar user extraction part 221 for calculating an inter-user similarity being a similarity between a target user and other users on the basis of preference information showing preferences to an object of the target user and the other users, and extracting a similar user similar to the target user on the basis of the calculated inter-user similarity, and a content extraction part 222 for extracting the content preferred by the similar user extracted by the similar user extraction part 221 as a presentation candidate content being a candidate to be presented to the target user. |
