On Optimal Tree Traversals for Sparse Matrix Factorization.
Mathias JacquelinLoris MarchalYves RobertBora UçarPublished in: IPDPS (2011)
Keyphrases
- matrix factorization
- collaborative filtering
- low rank
- recommender systems
- missing data
- tensor factorization
- negative matrix factorization
- low rank matrix
- nonnegative matrix factorization
- factorization methods
- stochastic gradient descent
- latent factors
- factor analysis
- data sparsity
- high dimensional
- variational bayesian
- sparse non negative
- factorization method
- implicit feedback
- sparse coding
- data matrix
- closed form
- personalized ranking
- high order