Finding an e-mail message to which another e-mail message is a response

  • US 5,905,863 A
  • Filed: 05/30/1997
  • Issued: 05/18/1999
  • Est. Priority Date: 06/07/1996
  • Status: Expired due to Term
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First Claim
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1. A method of determining from a plurality of messages a second message that is related to a first message, comprising the steps of:

  • a. generating a filtered first message vector by filtering the first message using a first message filter bank, said first message filter bank comprising at least one message filter;

    b. generating a set of filtered second message vectors by filtering each of the plurality of messages using a second message filter bank, said second message filter bank comprising at least one message filter;

    c. determining for each of the set of filtered second message vectors the degree of match between the filtered first message vector and the filtered second message vector; and

    d. determining from each of the degrees of match which one of the plurality of messages is the second message.

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