| 摘要 |
PROBLEM TO BE SOLVED: To provide a content retrieval result providing device and method capable of adjusting a retrieval result to a same retrieval query on each retrieval.SOLUTION: A content retrieval result providing device comprises: a content evaluation part 207 for calculating content evaluation values of respective contents included in a content retrieval result; a substitution evaluation part 208 for specifying at least two contents other than a fixed content whose content evaluation value is high, as a substitution candidate content, and calculating substitution evaluation values of the substitution candidate contents; a retrieval result determination part 209 for sorting the substitution candidate contents in the order of the substitution evaluation values, and determining the content retrieval result; and a content retrieval result output part 210 for outputting the content retrieval result determined by the retrieval result determination part 209. The substitution evaluation part 208 calculates the substitution evaluation value so that the substitution evaluation values of the substitution candidate contents become higher according to fewness of occurrence frequency. |
