http://issues.apache.org/SpamAssassin/show_bug.cgi?id=5686
Summary: add OSBF/Winnow as an alternative to Bayes
Product: Spamassassin
Version: SVN Trunk (Latest Devel Version)
Platform: Other
OS/Version: other
Status: NEW
Severity: enhancement
Priority: P5
Component: Plugins
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
now that Bayes is a little more pluginized (bug 5293), here's what I wanted to
do: offer an alternative to the default BAYES rules, using a more up-to-date
probabilistic classifier algorithm.
This is the use of Orthogonal Sparse Bigram tokenization, combined with the
Winnow machine-learning algorithm [1][2]. This combo has been scoring very well
in the TREC anti-spam probabilistic-classifier shootout [3], as implemented by
osbf-lua [4].
[1]: http://en.wikipedia.org/wiki/Winnow
[2]: http://www.siefkes.net/ie/winnow-spam.pdf
[3]: http://trec.nist.gov
[4]: http://osbf-lua.luaforge.net/
initial results of an implementation (based on that paper) seem very promising
so far...
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