Detecting spam email using multiple spam classifiers

Details Detecting spam email using multiple spam classifiers Detecting spam email using multiple spam classifiers

2011-02-01

2011-02-01

Nguyen, Tammy T (Department: 2444)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Demand based messaging

C709S223000, C715S252000, C382S103000, C382S159000, C348S153000

Reexamination Certificate

active

07882192

ABSTRACT:
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.

REFERENCES:
patent: 7292723 (2007-11-01), Tedesco et al.
patent: 2005/0060643 (2005-03-01), Glass et al.
patent: 2005/0262210 (2005-11-01), Yu

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