Keyphrases
- user feedback
- medical center
- relevance judgments
- relevance feedback
- user interaction
- information retrieval
- relevant documents
- learning to rank
- test collection
- implicit feedback
- relevance assessments
- pseudo relevance feedback
- biomedical information retrieval
- user profiles
- retrieval effectiveness
- user preferences
- recommender systems
- expert search
- ranking functions
- query expansion
- ranked list
- retrieval process
- information retrieval systems
- document retrieval
- amazon mechanical turk
- helping users
- multimedia
- user interface
- feedback information
- ad hoc retrieval
- search sessions
- document collections