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Posted to users@spamassassin.apache.org by Marc Perkel <ma...@perkel.com> on 2009/09/17 16:19:11 UTC

Re: Experimental Plugin: MetaSVM

So - what ever happened to this project? Was it finished?

decoder wrote:
> LuKreme wrote:
>> I don't see any need for the model to be dynamic.  Periodic 
>> recalculation of it should be just fine.  I bet even daily 
>> reprocessing will prove to be over zealous. Weekly, perhaps even 
>> monthly.
> This is what I think as well :)
>>
>> I'm thinking that FPs and FNs are bayes problem anyway.  This tool 
>> need to concentrate on seeing just what rules hit and building off 
>> that. I'd go so far to say that as far as SVM is concerned, there is 
>> no such thing as a false postive or negative.
> What do you mean by that? Of course FPs and FNs might also be a 
> problem for the SVM, every wrong classified point is certainly a 
> problem for a machine learning algorithm. However, I think that the 
> SVM is quite robust to a certain amount of FPs/FNs if the majority of 
> the training points is correct.
>
>
> So, if you feel like trying out the plugin, let me know how well it 
> works =) I'm especially interested in those cases where it increases 
> the spam detection rate (reducing false negatives). Might be easy to 
> extract this information from logs.
>
>
>
> Thanks and regards,
>
>
>
> Chris