Keyphrases
- matrix factorization
- collaborative filtering
- low rank
- nonnegative matrix factorization
- missing data
- negative matrix factorization
- recommender systems
- stochastic gradient descent
- factor analysis
- data matrix
- data sparsity
- variational bayesian
- feature extraction
- factorization methods
- image classification
- tensor factorization
- multiscale
- data sets
- probabilistic matrix factorization