| 摘要 |
PROBLEM TO BE SOLVED: To improve user-friendliness when recommending contents.SOLUTION: A content recommendation device includes: a positive score calculation unit 31 which uses positive evaluation values of individual users for a plurality of contents to calculate positive scores being estimated probability values of positive evaluation values for contents which a target user has not evaluated, out of the plurality of contents; a negative score calculation unit 32 which uses negative evaluation values of individual users for a plurality of contents to calculate negative scores being estimated probability values of negative evaluation values for contents which the target user has not evaluated, out of the plurality of contents; and a recommendation content determination unit which determines contents to be recommended to the target user, on the basis of the positive scores calculated by the positive score calculation unit 31 and the negative scores calculated by the negative score calculation unit 32. |
