What Is a Good Recommendation Algorithm? – Communications of the ACM
Netflix is offering one million dollars for a better recommendation engine. Better recommendations clearly are worth a lot. But what are better recommendations? What do we mean by better? In the Netflix Prize, the meaning of better is quite specific. It is the root mean squared error (RMSE) between the actual ratings Netflix customers gave the movies and the predictions of the algorithm. Let’s
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Netflix Prize at KDD 2008
