| 摘要 |
A content searching apparatus facilitating a search of a content, which a user desires, even where relativity between a content and a keyword change, wherein the content searching apparatus includes: a content table storing unit storing content tables; an input unit obtaining a keyword, which has been selected as a selected keyword; a relevant keyword creating unit (i) calculating a relevance degree, for each of keywords, to the selected keyword, based on a target content table, (ii) selecting a keyword having a predetermined relevance degree out of each of the keywords, and (iii) creating a relevant keyword out of the corresponding keywords; and a variance calculating unit calculating a variance value of selected keywords including the keyword, when the user is confused. Further, the content searching apparatus includes a content table selecting unit changing the above mentioned target content table to another content table, when the variance value is larger than a threshold value.
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