Keyphrases
- learning to rank
- pairwise
- loss function
- ranking functions
- information retrieval
- evaluation measures
- direct optimization
- similarity measure
- ranking svm
- collaborative filtering
- query dependent
- multi class
- directly optimize
- evaluation metrics
- ranking models
- document retrieval
- learning to rank algorithms
- retrieval systems
- semi supervised
- supervised learning
- pairwise classification
- training data
- multimedia
- feature selection