Keyphrases
- collaborative filtering
- personalized recommendation
- cold start problem
- recommender systems
- user preferences
- latent factor models
- cold start
- recommendation algorithms
- user ratings
- recommendation systems
- product recommendation
- matrix factorization
- privacy preserving
- collaborative filtering algorithms
- data sparsity
- information loss
- making recommendations
- item recommendation
- netflix prize
- data publishing
- online dating
- implicit feedback
- rating prediction
- sensitive information
- collaborative recommendation
- user interests
- user similarity
- active user
- privacy preservation
- reputation systems
- social networks
- data sets
- privacy protection
- user feedback
- web users
- third party
- user behavior
- explicit feedback
- electronic commerce
- user profiles
- cloud computing
- customer preferences