Yes you could call it a model-based approach. I suppose I was thinking more of Bayesian implementations when I wrote that sentence.
SVD is the Singular Value Decomposition -- are you asking what the SVD is, or what matrix factorization is, or something about specific code here? You can look up the SVD online. On Wed, Apr 18, 2012 at 12:49 PM, Daniel Quach <[email protected]> wrote: > I had originally thought the experimental SVDrecommender in mahout was a > model-based collaborative filtering technique. Looking at the book "Mahout in > Action", it mentions that model-based recommenders are a future goal for > mahout, which implies to me that the SVDRecommender is not considered > model-based. > > How exactly does the SVDRecommender work in mahout? I can't seem to find any > description of the algorithm underneath it
