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I understand the concept.  I just don't understand how a page that should have a 17/17 spam score is not identified by the algorithm.

I gave a very specific example.  I hope that someone with knowledge of the inner-workings of the algorithm can answer.

Are the guidelines of Open Site Explorer's spam score published anywhere?

I'm trying to figure out how a page like

http://content.yudu.com/Library/A22uap/PARKINGMagazineMarch/resources/25.htm

has a Spam Score of 2/17 -- I expect it to be 17/17

It has no visible content, but if you view the source you see very spammy links.

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