Keyphrases
- named entity recognition
- maximum entropy classifier
- information extraction
- named entities
- natural language processing
- sequence labeling
- text summarization
- feature set
- co occurrence
- language independent
- semi supervised
- databases
- conditional random fields
- maximum entropy
- learning process
- natural language
- domain specific
- unsupervised learning
- segmentation algorithm
- knowledge representation
- prior knowledge
- feature space
- annotated corpus