Quantile Matrix Factorization for Collaborative Filtering.
Alexandros KaratzoglouMarkus WeimerPublished in: EC-Web (2010)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- low rank
- data sparsity
- probabilistic matrix factorization
- factor analysis
- negative matrix factorization
- factorization methods
- nonnegative matrix factorization
- latent factor models
- user preferences
- cold start problem
- variational bayesian
- data matrix
- stochastic gradient descent
- recommendation systems
- tensor factorization
- personalized recommendation
- user profiles
- implicit feedback
- personalized ranking
- factorization method
- latent factors
- user ratings
- missing data
- item recommendation
- linear combination
- probabilistic model