Keyphrases
- relevance judgments
- test collection
- retrieval effectiveness
- average precision
- web search engines
- user feedback
- retrieval systems
- learning to rank
- relevance feedback
- relevance scores
- relevant documents
- ranking functions
- user preferences
- ranked list
- evaluation measures
- human judgments
- information retrieval
- evaluation metrics
- query performance prediction
- implicit feedback
- information retrieval systems
- web search
- clickthrough data
- information retrieval evaluation
- scoring function
- relevance assessments
- retrieval model
- document collections
- search queries
- query expansion
- language model
- image retrieval
- retrieval functions
- natural language