Fuzzy logic voting method and system for classifying e-mail using inputs from multiple spam classifiers
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United States of America Patent
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May 23, 2006
Grant Date -
Dec 30, 2004
app pub date -
Jun 22, 2004
filing date -
Jun 30, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method, and corresponding system, for identifying e-mail messages as being unwanted junk or spam. The method includes converting the outputs of a set of e-mail classification tools into a standardized format, such as a probability having a value between zero and one. The standardized outputs of the classification tools are then input to a voting mechanism which uses a voting algorithm based on fuzzy logic to combine the standardized outputs into a single classification result. The use of a fuzzy logic algorithm creates a more useful result as the classifier results are not merely averaged. In one embodiment, the single classification result is itself a probability that is provided to a spam classifier or comparator that functions to compare the single classification result to a spam threshold value and based on the comparison to classify the e-mail message as spam or not spam.
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