Keyphrases
- matrix factorization
- collaborative filtering
- low rank
- low rank matrix
- missing data
- recommender systems
- factorization methods
- item recommendation
- variational bayesian
- factor analysis
- negative matrix factorization
- data matrix
- nonnegative matrix factorization
- data sparsity
- stochastic gradient descent
- closed form
- implicit feedback
- feature space
- singular value decomposition
- image representation
- binary matrix
- generative model
- personalized ranking