Keyphrases
- recommender systems
- collaborative filtering
- user preferences
- matrix factorization
- trust aware
- information overload
- cold start problem
- implicit feedback
- user modeling
- information filtering
- user profiles
- recommendation quality
- cold start
- data sparsity
- user profiling
- machine learning
- collaborative filtering recommender systems
- recommendation systems
- similarity measure
- user feedback
- user model
- mobile devices
- website
- netflix prize
- information retrieval