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DETECTING SPAM EMAIL USING MULTIPLE SPAM CLASSIFIERS

  • US 20090307771A1
  • Filed: 08/14/2009
  • Published: 12/10/2009
  • Est. Priority Date: 01/04/2005
  • Status: Active Grant
First Claim
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1. A method of detecting whether a first e-mail is undesirable, the method comprising:

  • inputting the first e-mail to each of a plurality of constituent spam classifiers;

    obtaining at least one score from each of the plurality of constituent spam classifiers indicating the degree to which the first e-mail is deemed spam;

    obtaining a combined spam score from a combined spam classifier that takes as input the at least one score from the plurality of constituent spam classifiers, the combined spam classifier being computed automatically in accordance with a false-positive vs. false-negative tradeoff; and

    identifying the first e-mail as an undesirable e-mail if the combined spam score indicates that the first e-mail is undesirable.

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