Keyphrases
- matrix factorization
- collaborative filtering
- low rank
- recommender systems
- factor analysis
- negative matrix factorization
- factorization methods
- missing data
- variational bayesian
- stochastic gradient descent
- data matrix
- data sparsity
- nonnegative matrix factorization
- low rank matrix
- item recommendation
- factorization method
- latent factors
- tensor factorization
- signal processing
- factor matrices
- personalized ranking