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RETRIEVING APPARATUS, RETRIEVING METHOD, AND COMPUTER PROGRAM PRODUCT

  • US 20090083029A1
  • Filed: 02/29/2008
  • Published: 03/26/2009
  • Est. Priority Date: 09/25/2007
  • Status: Active Grant
First Claim
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1. A retrieving apparatus comprising:

  • a first storing unit that stores a content;

    a second storing unit that stores a word dictionary in which a plurality of words are registered in association with readings of the words and each of the words representing a formal name and an abbreviated name of the formal name is registered in association with a family attribute among the words;

    a speech input unit that receives an input of a speech signal;

    a speech recognizing unit that recognizes a character string corresponding to the speech signal as a keyword;

    a retrieval-candidate expanding unit that retrieves a word coinciding with the keyword and a word familiar with the word from the word dictionary as a retrieval candidate word;

    a retrieval-word selecting unit that receives a selection designation that designates any of words included in the retrieval candidate words as a retrieval word;

    a retrieval-word expanding unit that sets the retrieval word and a word familiar with the retrieval word as expanded retrieval words, based on the word dictionary; and

    a retrieving unit that retrieves a content related to any of words included in the expanded retrieval words from the first storing unit.

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