Keyphrases
- multi class
- named entity recognition
- learning algorithm
- supervised learning
- unsupervised learning
- information extraction
- named entities
- multi class classifier
- natural language processing
- learning process
- learning problems
- pairwise
- reinforcement learning
- prior knowledge
- semi supervised
- text mining
- semi supervised learning
- conditional random fields
- training data
- binary classification
- multiple instance learning
- labeled and unlabeled data
- feature selection
- multiple classes
- positive data
- support vector machine
- weakly supervised
- multi class classification
- maximum entropy
- active learning