Learning bidirectional asymmetric similarity for collaborative filtering via matrix factorization.
Bin CaoQiang YangJian-Tao SunZheng ChenPublished in: Data Min. Knowl. Discov. (2011)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- latent factor models
- stochastic gradient descent
- low rank
- learning algorithm
- nonnegative matrix factorization
- factor analysis
- latent factors
- data sparsity
- active learning
- negative matrix factorization
- user preferences
- unsupervised learning
- least squares
- variational bayesian
- factorization methods