Wouldn't it be possible to add this as just another test in the GA? A rule that looks at all the previous rules that matches. Just make sure the GA doesn't do anything with it until the other rules are calculated. Some percentage of the score could be the multiplication factor that is used.
On Wed, 2002-05-29 at 16:02, Rob Winters wrote: > At 03:23 PM 5/29/2002, Brian May wrote: > >Thats why in spam assassin you can set the scores yourself... fit them for > >your needs.. > > Well, adjusting the scores won't necessarily make the tool better. I'm sure > that the computationally-derived scores are excellent. In fact, I submit > that you've probably gone about as far as you can go with a flat linear model. > > What I'm suggesting is that there is information in the SA results > themselves that is not considered by SA. I'm talking about is the sort of > post-processing that humans do after SA has done its thing. "What did I > just decide, and does it make sense?" > > The specific rule that I suggested was that if it has more than <threshold> > positive SPAM scores, increase those scores by some constant or multiplier. > It makes sense that a SPAM is *much* more likely to have multiple > characteristics of SPAM than a non-SPAM, and the odds go up multiply, not > linearly, so adjusting each individual linear score won't reflect that > probability. > > I know I'm assuming a lot here, but if: > > twice as many SPAMs as non-SPAMs have Feature A, and > twice as many SPAMs as non-SPAMs have Feature B, and > twice as many SPAMs as non-SPAMs have Feature C, then > > then what math symbol do you use to calculate the SPAM-worthiness of a > message that has A, B, and C? It's not a plus sign, is it? It's not twice > as hard to pick the Daily Double as it is to pick each race. I submit that > if a message wins the tri-fecta, it's probably SPAM. ;-) > > The reverse rule (e.g., a couple of -2.0 or lower negative scores being > bolstered) may help save false positives. No doubt there are other > interactions that may be help fine-tune results as well. > > FWIW. > > /// Rob > > > > _______________________________________________________________ > > Don't miss the 2002 Sprint PCS Application Developer's Conference > August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm > > _______________________________________________ > Spamassassin-talk mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/spamassassin-talk -- ------------------------------------------------------------ Nathan Neulinger EMail: [EMAIL PROTECTED] University of Missouri - Rolla Phone: (573) 341-4841 Computing Services Fax: (573) 341-4216 _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ Spamassassin-talk mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/spamassassin-talk
