Privacy-Preserving POI Recommendation Using Nonnegative Matrix Factorization.
Xiwei WangHao YangKiho LimPublished in: PAC (2018)
Keyphrases
- privacy preserving
- nonnegative matrix factorization
- user preferences
- matrix factorization
- collaborative filtering
- recommender systems
- negative matrix factorization
- vertically partitioned data
- data representation
- privacy preserving data mining
- least squares
- privacy preservation
- private information
- privacy sensitive
- sensitive information
- spectral clustering
- principal component analysis
- document clustering
- privacy concerns
- scalar product
- privacy protection
- differential privacy
- secure multiparty computation
- data privacy