Keyphrases
- recommender systems
- collaborative filtering
- user profiling
- matrix factorization
- information filtering
- user modeling
- information overload
- user profiles
- user model
- database
- cold start problem
- information systems
- user interests
- user context
- trust aware
- data sparsity
- collaborative filtering recommender systems
- implicit feedback
- user feedback
- knowledge base
- computer vision
- real time