From: Vitaly Lugovsky <vsl@ontil.ihep.su>
To: Sven Luther <sven.luther@wanadoo.fr>
Cc: Xavier Leroy <xavier.leroy@inria.fr>, caml-list@inria.fr
Subject: Re: [Caml-list] posting policy and spam
Date: Sun, 4 Jan 2004 16:40:11 +0300 (MSK) [thread overview]
Message-ID: <Pine.LNX.4.58L.0401041636170.4471@ontil.ihep.su> (raw)
In-Reply-To: <20040103232837.GA20552@iliana>
On Sun, 4 Jan 2004, Sven Luther wrote:
> Well, on a similar subject, is there any chance of
> implementing a
> workaround in spamoracle to counter those spams specifically
> designed to
> fool the bayesian filters ? You know, those who have 4 lines
> of random
> words in a text attachement, and then some html spam.
It's possible to calculate an entropy of a text. If a words
aren't correlated, and a correlation weights distribution is
plain enough - then it's a random text without any meaning
(information content). It's a way how an advanced search engines works.
I'd be glad to implement this approach if I'd have some free
time. :(
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next prev parent reply other threads:[~2004-01-04 12:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-03 9:24 Xavier Leroy
2004-01-03 11:37 ` Claudio Sacerdoti Coen
2004-01-03 13:34 ` Xavier Leroy
2004-01-03 23:28 ` Sven Luther
2004-01-04 10:23 ` Richard Zidlicky
2004-01-04 16:22 ` Scott Alexander
2004-01-04 13:40 ` Vitaly Lugovsky [this message]
2004-01-04 15:43 ` Damien Doligez
2004-01-03 12:20 Claudio Sacerdoti Coen
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