Effective Matrix Factorization for Recommendation with Local Differential Privacy.
Hao ZhouGeng YangYahong XuWeiya WangPublished in: SciSec (2019)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- data sparsity
- differential privacy
- item recommendation
- differentially private
- latent factor models
- privacy preserving
- low rank
- missing data
- tensor factorization
- nonnegative matrix factorization
- factorization methods
- recommendation systems
- implicit feedback
- tag recommendation
- data management
- probabilistic model