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The filter is ALWAYS learning
Authored by: notmatt on Apr 18, '03 01:43:56PM
If you'll notice, the junk mail filter settings (i.e. Training vs. Automatic) simply change a rule in's rules list.

Yeah, but it's the "this message is junk mail" bit where all the magic happens, and anything could be going on behind the scenes.

What makes me think there IS something is that training sets for latent semantic analysis are generally a LOT bigger than the number of mails the typical person will click on as "junk" or "not junk" before turning it to automatic. Training with that level of supervision is also notoriously slow, and even though Apple gives a pretty good default model, it seems like you'd need something more intensive at first. Similarly, you would actually want to stop intensive training at some point, or it becomes very hard to adapt to 'new' junk mail. All this makes me think that there's something else going on behind the scenes besides switching what happens to the positive results.

I tried searches on google and citeseer, but couldn't find anything. I'm getting more and more curious.

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