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Multilingual document retrieval system and method using semantic vector matching

  • US 6,006,221 A
  • Filed: 08/14/1996
  • Issued: 12/21/1999
  • Est. Priority Date: 08/16/1995
  • Status: Expired due to Term
First Claim
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1. A method of representing documents in a database that includes documents in a plurality of languages, the method carried out for each document, comprising:

  • determining a set of potential conceptual-level meanings of at least some words in the document from a language-independent multilingual concept database that reflects the plurality of languages and comprises a collection of concept groups;

    mapping the sets of potential conceptual-level meanings, so determined, to respective single language-independent conceptual-level meanings; and

    generating a language-independent conceptual representation of the subject content of the document based on the language-independent conceptual-level meanings determined in said mapping step.

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