International Business Machines Corporation

Shlomo Hershkop

Mark N Wegman

Jeffrey Owen Kephart

Vadakkedathu Thomas Rajan

Jason L Crawford

Richard B Segal

A method for detecting undesirable emails combines input from two or more spam classifiers to provide improved classification effectiveness and robustness. The method includes obtaining a score from each of a plurality of constituent spam classifiers by applying them to a given input email. The method further includes obtaining a combined spam score from a combined spam classifier that takes as input the plurality of constituent spam classifier scores, the combined spam classifier being computed automatically in accordance with a specified false-positive vs. false-negative tradeoff. The method further includes identifying the given input email as an undesirable email if the combined spam score indicates that the input e-mail is undesirable.

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Yorktown Heights, NY, United States of America

Shlomo Hershkop