[AccessD] OT Wierd Bayesian Filters

MartyConnelly martyconnelly at shaw.ca
Thu Jul 24 12:16:06 CDT 2003


At the receiving end.
 I even get edification messages from Deloite-Touche in New Zealand that 
I am spreading viruses
on a list server if I use the words subroutine dim end in a text message.

jcolby at colbyconsulting.com wrote:

>But the question is, where in the chain of events did this happen?  Was it
>our list server?
>
>John W. Colby
>www.colbyconsulting.com
>
>-----Original Message-----
>From: accessd-bounces at databaseadvisors.com
>[mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Stuart
>McLachlan
>Sent: Wednesday, July 23, 2003 7:36 PM
>To: Access Developers discussion and problem solving
>Subject: RE: [AccessD] OT Wierd Bayesian Filters
>
>
>On 23 Jul 2003 at 13:39, Heenan, Lambert wrote:
>
>  
>
>>After my hasty post I did some research on Bayesian filtering and it would
>>appear to be the case that either the implementation of the filtering is
>>bad, as you say, and/or the filtering system was not given a large enough
>>sample of good and bad emails to work with when it was set up in the first
>>place.
>>
>>    
>>
>
>I had my doubts about whether this is a Bayesian filter so did a web
>search on "Trend SMEX content filter". All I could find at first was
>thousands of articles/postings similar to this thread saying what a
>piece of cr*p the filter was :-)
>
>Finally found it as Trendmicros eManager (part of Scanmail).
>Although they don't say how it works explicitly , it appears to use
>dictionary based rule matching, not Bayesian logic.
>
>Their site search engine doesn't recognise the word "bayesian" on
>their website  and searching for it in their knowledgebase timed out
>every time.
>
>--
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>
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