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Information search apparatus and method, and computer readable memory

  • US 7,054,861 B2
  • Filed: 10/13/2004
  • Issued: 05/30/2006
  • Est. Priority Date: 09/30/1998
  • Status: Expired due to Fees
First Claim
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1. A data processing apparatus for searching information based on an input query word, comprising:

  • first search means for determining a query keyword on the basis of the input query word, and searching the information by comparing the query keyword with a content keyword expressing a content of the information, wherein the content keyword is stored in association with the information;

    second search means for determining a feature amount corresponding to the input query word, and searching the information by comparing the determined feature amount with a feature amount extracted from the information; and

    generation means for generating search result information based on both results obtained by said first and second search means; and

    acquisition means for acquiring a contrary associative word indicating an antithetic concept of the input query word,wherein said first search means lowers a search matching level of an image found by search using the contrary associative word acquired by said acquisition means.

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