Privacy Enhanced Matrix Factorization for Recommendation with Local Differential Privacy.
Hyejin ShinSungwook KimJunbum ShinXiaokui XiaoPublished in: IEEE Trans. Knowl. Data Eng. (2018)
Keyphrases
- differential privacy
- matrix factorization
- collaborative filtering
- recommender systems
- item recommendation
- differentially private
- data sparsity
- privacy preserving
- private data
- privacy guarantees
- latent factor models
- privacy preservation
- personal information
- recommendation systems
- user preferences
- missing data
- data sharing
- nonnegative matrix factorization
- anonymized data
- data privacy
- factorization methods
- latent factors
- tensor factorization
- privacy preserving data mining
- search logs
- privacy concerns
- private information
- information retrieval systems