Multi-task matrix factorization for collaborative filtering.
Wanlu ShiTun LuDongsheng LiPeng ZhangNing GuPublished in: CSCWD (2017)
Keyphrases
- matrix factorization
- multi task
- collaborative filtering
- transfer learning
- multi task learning
- recommender systems
- learning tasks
- data sparsity
- low rank
- probabilistic matrix factorization
- negative matrix factorization
- recommendation systems
- nonnegative matrix factorization
- gaussian processes
- multi class
- feature selection
- factorization methods
- learning problems
- user ratings
- low rank matrix
- item recommendation
- information gain
- multiple kernel learning
- missing data
- latent factors
- feature space