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A Bayesian Approach to Filtering Junk E-Mail

David Heckerman, Eric Horvitz, Mehran Sahami, and Susan Dumais

Abstract

In addressing the growing problem of junk E-mail on the Internet, We examine methods for the automated construction of filters to eliminate such unwanted messages from a user's mail stream. By casting this problem in a decision theoretic framework, we are able to make use of probabilistic learning methods in conjunction with a notion of differential misclassification cost to produce filters which are especially appropriate for the nuances of this task. While this may appear, at first, to be a straight-forward text classification problem, we can produce much more accurate filters. Finally, we show the efficacy of such filters in a real world usage scenario, arguing that this technology is mature enough for deployment.

Details

Publication typeInproceedings
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