Private collaborative filtering under untrusted recommender server.
Ping XiongLefeng ZhangTianqing ZhuGang LiWanlei ZhouPublished in: Future Gener. Comput. Syst. (2020)
Keyphrases
- collaborative filtering
- privacy preserving
- recommender systems
- matrix factorization
- private information
- user preferences
- recommendation systems
- client server
- data sparsity
- user ratings
- web server
- third party
- making recommendations
- user profiles
- central server
- recommendation algorithms
- private data
- database
- private information retrieval
- content based filtering
- probabilistic matrix factorization
- cold start
- deal with information overload
- sensitive data
- low latency
- network bandwidth
- personalized recommendation
- tcp ip
- cold start problem
- security policies
- personal information
- user interests
- pearson correlation coefficient
- netflix prize
- steady state
- user based collaborative filtering
- web search
- website