Local Differentially Private Matrix Factorization with MoG for Recommendations.
Neera JeyamohanXiaomin ChenNauman AslamZhan ShuPublished in: DBSec (2020)
Keyphrases
- matrix factorization
- differentially private
- recommender systems
- item recommendation
- collaborative filtering
- differential privacy
- low rank
- latent factor models
- missing data
- nonnegative matrix factorization
- factor analysis
- factorization methods
- negative matrix factorization
- data sparsity
- cold start
- user preferences
- recommendation systems
- latent factors
- tensor factorization
- implicit feedback
- privacy preservation
- personal information