Keyphrases
- learning to rank
- ranking functions
- loss function
- information retrieval
- document retrieval
- ranking svm
- evaluation measures
- relevance feedback
- direct optimization
- collaborative filtering
- multimedia
- query dependent
- image retrieval
- metadata
- evaluation metrics
- retrieval systems
- balancing exploration and exploitation
- exploration exploitation dilemma
- multimedia data
- pairwise
- training set
- search engine