Keyphrases
- labeled data
- supervised learning
- active learning
- unlabeled data
- labeled and unlabeled data
- semi supervised learning
- learning algorithm
- domain adaptation
- semi supervised
- co training
- text classification
- prior knowledge
- incremental learning
- background knowledge
- training data
- sample selection bias
- semi supervised classification
- learning tasks
- labeled instances
- neural network
- labeling effort
- transfer learning
- learning process
- human experts
- learning problems
- labeled examples
- unsupervised learning
- supervised learning algorithms
- decision trees
- machine learning
- real world