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Self-organizing neural network for plain text categorization

  • US 6,047,277 A
  • Filed: 06/19/1997
  • Issued: 04/04/2000
  • Est. Priority Date: 06/19/1997
  • Status: Expired due to Term
First Claim
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1. A method for natural language processing comprising the steps of:

  • training a neural network comprising a plurality of baseline nodes, wherein a connection weight between any selected pair of baseline nodes is determined from text strings within the selected pair of nodes;

    receiving a plurality of text messages from a preselected source;

    for each received message, creating a non-baseline node associated with a selected one of the baseline nodes wherein a connection weight between any non-baseline node and the associated baseline node is determined from the text string within the baseline node and the received text message; and

    identifying atypical received messages based upon the connection weight between any non-baseline node and the associated baseline node.

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