Keyphrases
- user feedback
- collaborative filtering
- recommender systems
- user preferences
- user profiles
- personalized recommendation
- learning to rank
- recommendation systems
- matrix factorization
- user interaction
- implicit feedback
- relevance feedback
- user actions
- text clustering
- user involvement
- feedback information
- relevant documents
- clickthrough data
- relevance judgments
- retrieval process
- user interests
- feature extraction
- machine learning