Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- tensor factorization
- latent factor models
- factorization methods
- low rank
- tensor decomposition
- item recommendation
- shopping mall
- implicit feedback
- recommendation algorithms
- negative matrix factorization
- nonnegative matrix factorization
- missing data
- recommendation systems
- information retrieval
- user preferences
- higher order
- keywords