Keyphrases
- recommender systems
- collaborative filtering
- user modeling
- user preferences
- information overload
- trust aware
- matrix factorization
- user profiles
- implicit feedback
- user model
- user profiling
- personalized recommendation
- data sparsity
- injection attacks
- cold start problem
- recommendation systems
- information filtering
- artificial intelligence
- website
- healthy subjects
- user modelling
- recommendation quality
- movie recommendation
- netflix prize
- item based collaborative filtering
- data sets