Keyphrases
- concept learning
- matrix factorization
- collaborative filtering
- low rank
- factorization methods
- missing data
- recommender systems
- negative matrix factorization
- inductive logic programming
- nonnegative matrix factorization
- data sparsity
- factor analysis
- item recommendation
- tensor factorization
- stochastic gradient descent
- personalized ranking
- data sets
- probabilistic matrix factorization
- latent factors
- implicit feedback
- high level
- decision trees
- machine learning