Learning Orthographic Features in Bi-directional LSTM for Biomedical Named Entity Recognition.
Nut LimsopathamNigel CollierPublished in: BioTxtM@COLING 2016 (2016)
Keyphrases
- named entity recognition
- bi directional
- information extraction
- hand coded
- feature extraction
- prior knowledge
- learning algorithm
- maximum entropy classifier
- natural language processing
- learning process
- semi supervised
- co occurrence
- feature set
- named entities
- maximum entropy
- recurrent neural networks
- sequence labeling
- data mining
- supervised learning
- text mining
- unsupervised learning
- probabilistic model
- annotated corpus