Enhancing HMM-based biomedical named entity recognition by studying special phenomena.
Jie ZhangDan ShenGuodong ZhouJian SuChew Lim TanPublished in: J. Biomed. Informatics (2004)
Keyphrases
- named entity recognition
- information extraction
- natural language processing
- named entities
- genia corpus
- text summarization
- hidden markov models
- conditional random fields
- text mining
- maximum entropy
- hand coded
- semi supervised
- classifier ensemble
- sequence labeling
- proper names
- artificial intelligence
- relation extraction
- information retrieval
- annotated corpus
- question answering
- machine learning
- maximum entropy classifier
- word sense disambiguation
- co occurrence
- similarity measure
- pairwise