BLC: Private Matrix Factorization Recommenders via Automatic Group Learning.
Alessandro CheccoGiuseppe BianchiDouglas J. LeithPublished in: ACM Trans. Priv. Secur. (2017)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- group learning
- low rank
- negative matrix factorization
- student learning
- collaborative learning
- online collaborative learning
- factorization methods
- missing data
- knowledge construction
- implicit feedback
- group members
- nonnegative matrix factorization
- user profiles
- data sparsity
- recommendation systems
- user preferences
- computational models
- individual learning
- web based learning
- tensor factorization
- item recommendation