Privacy-Preserving Matrix Factorization for Recommendation Systems using Gaussian Mechanism.
Sohan Salahuddin MugdhoHafiz ImtiazPublished in: CoRR (2023)
Keyphrases
- privacy preserving
- matrix factorization
- recommendation systems
- collaborative filtering
- recommender systems
- privacy preserving data mining
- privacy guarantees
- vertically partitioned data
- low rank
- data sparsity
- recommendation quality
- privacy preservation
- user preferences
- nonnegative matrix factorization
- factorization methods
- implicit feedback
- tag recommendation
- private information
- data privacy
- privacy concerns
- sensitive information
- learning to rank
- missing data
- web search
- personalized recommendation
- recommendation algorithms
- transfer learning
- data points