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System and method for making search for document in accordance with query of natural language

  • US 20060206463A1
  • Filed: 03/14/2006
  • Published: 09/14/2006
  • Est. Priority Date: 03/14/2005
  • Status: Active Grant
First Claim
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1. A system for making a search for a document in accordance with a query of a natural language, comprising:

  • a first interface which accepts a user specified first question sentence represented in a natural language;

    question analysis means for analyzing the first question sentence accepted by the first interface, the question analysis means generating a plurality of second question sentences for individually querying each of a plurality of matters from the first question sentence when the first question sentence queries the plurality of matters;

    a search engine configured to make searches for documents which match respective matters queried by the plurality of second question sentences from a morphological index database by index searches according to the plurality of second question sentences generated by the question analysis means, the morphological index database storing morphological analysis results for a plurality of documents as indexes; and

    a second interface which provides a user with a search result for the first question having reflected thereon results of document searches for the plurality of second question sentences by the search engine.

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