Variance maximization via noise injection for active sampling in learning to rank.
Wenbin CaiYa ZhangPublished in: CIKM (2012)
Keyphrases
- active sampling
- learning to rank
- direct optimization
- ranking functions
- information retrieval
- loss function
- evaluation measures
- active learning
- ranking svm
- document retrieval
- collaborative filtering
- test collection
- selective sampling
- relevance judgments
- ranking models
- free form
- retrieval systems
- supervised learning
- query expansion
- language model
- information retrieval systems
- pairwise
- multimedia
- web pages