Keyphrases
- implicit feedback
- user feedback
- recommender systems
- eye tracking
- explicit feedback
- user behavior
- user preferences
- collaborative filtering
- relevance feedback
- personalized ranking
- matrix factorization
- user interaction
- web search
- item recommendation
- user interface
- user interests
- search result
- data mining
- user profiles
- missing data
- query formulation
- personalized recommendation
- digital libraries
- high level