Keyphrases
- active learning
- machine learning
- training examples
- random sampling
- learning algorithm
- selective sampling
- semi supervised
- online learning
- imbalanced data classification
- pool based active learning
- learning strategies
- supervised learning
- learning process
- database
- labeled data
- semi supervised learning
- unlabeled data
- active learning strategies
- sample selection
- neural network
- case study
- cost sensitive
- sample complexity
- batch mode
- databases
- query by committee
- search engine
- knowledge base
- search algorithm
- training set
- relevance feedback