markovian matching & dobly noise reduction

[Tom Anderson]

On Thu, 2004-02-26 at 02:21, Boris 'pi' Piwinger wrote:
> Also I find it absurd to say a filter is better than a
> human. Who checked the filter after all?

Slashdotters had that discussion too.  When they say better than a
human, they mean that a human scanning 5000 emails is bound to skip some
legitimate ones due to sheer volume and the therefore scan rate.  You
simply can't look closely at all of them.  Only when you look closely
can you achieve 100% accuracy.  Moreover, they specifically say that by
a human they mean a personal secretary rather than yourself, and
therefore they will not know your exact desires even looking closely. 
Using these criteria, I find it very likely that a human will do even
more poorly than 99.5%.  Think about the number of typos you see in
published works (or bugs in software) to judge human fallibility. 
Automated spell-checkers _can_ be more accurate too (rhetorically
speaking, please).

Tom

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