| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable learning to be performed by effectively tracking a change in the preference for and interest in each category of a user with the passage of time.SOLUTION: An information processing device according to the present invention includes: content selection means 102 for selecting a prescribed number of contents from among a large number of contents tied to any category on the basis of each category score; and score calculation means 104 for calculating, for each category to which the selected contents belong, an operation point corresponding to a user operation on the selected contents, and calculating a category score based on the operation point. The score calculation means 104 decreases an operation point used in calculating a category score pertaining to a category to which the selected contents belong in proportion to an increase in deviation of the category score of the category from an average value of category scores, and then calculates the category score.</p> |
