| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processor and a content retrieval program for retrieving a desired content in dependence on a selected example of desired content and/or a selected example of undesired content. SOLUTION: The information processor reads a desired content (step S24b); calculates a feature quantity of a first group composed of desired contents from a feature quantity vector of the read desired content (step S24e); forms a feature quantity of undesired contents from the feature quantity of the read desired content (step S24f); calculates a feature quantity of a second group composed of undesired contents from the formed feature quantity vector (step S24g); and writes the calculated feature quantity as a dictionary to be used for retrieval (step S24f). COPYRIGHT: (C)2008,JPO&INPIT
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