Singular value decomposition
Revision as of 20:58, 11 November 2011 by Tqchen (talk | contribs) (Created page with "'''SVD''' refers to singular value decomposition in linear algebra. However, in the field of collaborative filtering, '''SVD''' often means Matrix factorization. == SVD in M...")
SVD refers to singular value decomposition in linear algebra. However, in the field of collaborative filtering, SVD often means Matrix factorization.
SVD in Math
The traditional SVD can also be used as collaborative filtering algorithm. It's also named Latent Semantic Indexing in IR.
- [ http://en.wikipedia.org/wiki/Singular_value_decomposition ]
- [ http://en.wikipedia.org/wiki/Latent_semantic_indexing ]
Matrix Factorization
Please refer to Matrix factorization
