Keyphrases
- ranking functions
- active learning
- supervised learning
- active sampling
- label noise
- learning to rank
- active learning framework
- labeling effort
- document retrieval
- web search
- web search engines
- ranking algorithm
- active learner
- selective sampling
- semi supervised
- preference learning
- learning algorithm
- labeled data
- semi supervised learning
- learning process
- machine learning
- multi label
- relevance feedback
- ranking svm
- unlabeled data
- learning to rank algorithms
- random sampling
- training set
- image retrieval
- directly optimize
- reinforcement learning
- multimedia