Keyphrases
- learning to rank
- balancing exploration and exploitation
- ranking list
- ranking functions
- user feedback
- information retrieval
- loss function
- evaluation measures
- document retrieval
- evaluation metrics
- direct optimization
- learning to rank algorithms
- collaborative filtering
- relevance feedback
- language model
- relevance judgments
- scoring function
- ranking models
- query dependent
- retrieval systems
- reinforcement learning
- directly optimize
- query processing
- active learning
- ranking svm
- support vector
- web search