Rich features based Conditional Random Fields for biological named entities recognition.
Chengjie SunYi GuanXiaolong WangLei LinPublished in: Comput. Biol. Medicine (2007)
Keyphrases
- conditional random fields
- named entity recognition
- contextual features
- named entities
- sequence labeling
- information extraction
- co occurrence
- crf model
- maximum entropy
- chinese named entity recognition
- feature extraction
- graphical models
- generative model
- natural language processing
- probabilistic model
- hidden markov models
- object recognition
- text mining
- named entity extraction
- question answering
- relation extraction
- higher order
- contextual information
- semi supervised
- superpixels
- information retrieval
- real world
- web documents
- knowledge representation