Bayesian filtering


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Bayesian filtering

An analysis technique that has been applied to eliminating spam. It "learns" to differentiate real mail from advertising by examining the words and punctuation in large samples of both types of messages. Based on the probability theorem of Reverend Thomas Bayes (1702-1761), it selects a set of words and numbers ("tokens") from the text and compares their ratio between good mail and spam. Using the tokens, the Bayesian approach looks at new mail and calculates the probability that the message is bogus. See spam filter.
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References in periodicals archive ?
The formula (6) and (7) are the optimal Bayesian filtering equations.
Poggi, "A Bayesian filtering technique for SAR interferometric phase fields," IEEE Trans.
PF is a recursive numerical implementation of the exact Bayesian filtering scheme where the posterior distribution of the state is represented by a set of random samples with associated weights.
On MCMC-Based Particle Metods for Bayesian Filtering: Application to Multitarget tracking // 2009 3rd IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive processing, 2009.--P.
There are more than 100 additional checks, including Bayesian filtering with automated training of filters, phrase-based checks (automated and custom), sender policy framework record checks, and message quality checks.
According to the company, the program, based on Bayesian filtering technology, automatically learns by using the user's personal correspondence to increase the filtration accuracy.

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