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Cross-language information retrieval apparatus and method

  • US 20030200079A1
  • Filed: 03/04/2003
  • Published: 10/23/2003
  • Est. Priority Date: 03/28/2002
  • Status: Abandoned Application
First Claim
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1. A cross-language information retrieval apparatus which realizes document retrieval when a first language of a retrieval request is different from that of a retrieval target document, comprising:

  • a document database which stores documents including each retrieval word, wherein each of the, documents is stored in accordance with a plurality of retrieval words;

    an input device which inputs the retrieval request;

    a machine translation device which translates the retrieval request inputted from the input device into a second language associated with the retrieval target document and generates a first of the retrieval words in the language of the retrieval target document;

    a transliteration device which converts a phonogram in the retrieval request which has failed to be translated by the machine translation device into a phonogram in the second language associated with the retrieval target document and provides a result as a second of the retrieval words in the language of the retrieval target document; and

    a retrieval device which retrieves a document including the first of the retrieval words and the second of the retrieval words from the document database.

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