On Wednesday, May 29, 2002, at 08:43  AM, Rob Winters wrote:
> How about a "bonus" for cumulative effect? Why not do a second-level 
> analysis after scoring; something like:
>
> 3 positive score matches - add 1.0
> 4 positive score matches - add 2.0
> 5 positive score matches - add 4.0
> 6 positive score matches - add 8.0

Some colleagues and I came up with this idea as well and were kicking it 
around, trying to figure out the best way to code it, and then to try 
and test it against a corpus and so forth to see what effect it had on 
false positives and false negatives.

I came up with the name "Five-Card Charlie", which is a reference to the 
game of Blackjack, where under some rules the player wins if he has any 
hand of five cards and does not bust (exceed 21).   I figured if any 
message tripped 5 positive tests, the chances of it being non-spam were 
very small, so that would tip it over into the SPAM=yes category

So if anyone has coded this up, I'd be happy to test it.  Otherwise I'll 
play around with the idea a bit.

--
Michael C. Berch
[EMAIL PROTECTED]


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