Chinese clinical named entity recognition with radical-level feature and self-attention mechanism.
Mingwang YinChengjie MouKaineng XiongJiangtao RenPublished in: J. Biomed. Informatics (2019)
Keyphrases
- named entity recognition
- text summarization
- information extraction
- named entities
- attention mechanism
- natural language processing
- maximum entropy
- conditional random fields
- semi supervised
- image features
- question answering
- relation extraction
- higher level
- classifier ensemble
- maximum entropy classifier
- annotated corpus
- co occurrence
- feature vectors
- query expansion
- expert systems