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Method for document retrieval and for word sense disambiguation using neural networks

  • US 5,317,507 A
  • Filed: 11/07/1990
  • Issued: 05/31/1994
  • Est. Priority Date: 11/07/1990
  • Status: Expired due to Term
First Claim
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1. A method for storing a searchable representation of a document comprising the steps of:

  • inputting a document containing a series of words in machine readable form into a processing system;

    removing from consideration any words in said series of words that are also found in a predetermined list of uninteresting words;

    locating in a dictionary of context vectors a context vector for each word remaining in said series of words, each context vector providing for each of a plurality of word-based features, a component value representative of a conceptual relationship between said word and said word-based feature;

    combining the context vectors for each word remaining in said series of words to obtain a summary vector for said document;

    normalizing said summary vector to produce a normalized summary vector; and

    storing said normalized summary vector.

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