Two-phase biomedical named entity recognition using CRFs.
Lishuang LiRongpeng ZhouDegen HuangPublished in: Comput. Biol. Chem. (2009)
Keyphrases
- named entities
- information extraction
- named entity recognition
- conditional random fields
- genia corpus
- text mining
- relation extraction
- natural language processing
- named entity extraction
- co occurrence
- question answering
- annotated corpus
- linguistic features
- information retrieval
- noun phrases
- weakly supervised
- machine learning
- natural language
- higher order
- person names
- proper names
- superpixels
- global context
- expert systems
- feature selection
- image segmentation
- pairwise