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Method, used by computers, for developing an ontology from a text in natural language

  • US 8,417,512 B2
  • Filed: 09/18/2007
  • Issued: 04/09/2013
  • Est. Priority Date: 09/19/2006
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for developing an ontology (70) of a text (10) in natural language, comprising the steps of:

  • receiving text data from text (10);

    a grammatical analyzer extracting, by a computer, syntax and meaningful words (20) from the text via a grammatical analysis (S100) of the received text data;

    for each of at least some of the meaningful words (20) of the text;

    searching (S200) for a definition (40) of the meaningful word (20) by means of at least one electronic dictionary (30, 35), the grammatical analyzer extracting syntax and meaningful words of the definition, and creating (S300) an elementary lexical graph (50) of the definition based on the syntax and the meaningful words of the definition; and

    merging (S400), by the computer, at least two of the elementary lexical graphs (50) created, as a function of the syntax of the text, so as to create at least one semantic graph (60) of the text.

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