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Subject: Re: Add hooks to Gnus on move/edit/delete?
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Simon Josefsson <jas@extundo.com> writes:

> Right.  I don't really know what ifile-gnus is.  Does it generate Gnus
> splitting rules?  Or is it a fancy mail splitter function that is
> invoked by Gnus?  If the latter, forget my ramblings.

ifile-gnus invokes the external program ifile on the message.  ifile
is a Naive Bayesian classifier.  That means you show it some example
messages with their categories (1 group = 1 category), and from these
it learns.  Afterwards you can invoke it on a new message and it will
print a category for this message, using the previously learned data.

Naive Bayes is not the best text classifier you can get.  Experiments
show that good classifiers can achieve 80% accuracy (or so).

The spam identification suggestion by Paul Graham implements Naive
Bayes in Lisp.
-- 
Ambibibentists unite!