Directed Edge sees a post-search web where recommendations rule

Re:Directed Edge sees a post-search web where recommendation... by ntoshev on Thursday August 06, 2009 @10:46AM (#745561)

There is more than one, depending on the problem and what exactly do you want to improve. For example RMSE is the measurement used for the Netflix Prize.

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Re:Directed Edge sees a post-search web where recommendation... by wheels on Thursday August 06, 2009 @01:06PM (#745896)

I really liked Greg's commentary on RMSE -- summed up my thoughts better than I could:

http://glinden.blogspot.com/2009/03/what-is-good-recommendat...

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