Chinese Negation and Speculation Detection with Conditional Random Fields.
Zhancheng ChenBowei ZouQiaoming ZhuPeifeng LiPublished in: NLPCC (2013)
Keyphrases
- conditional random fields
- graphical models
- markov random field
- sequence labeling
- higher order
- hidden markov models
- probabilistic model
- named entity recognition
- information extraction
- random fields
- crf model
- image labeling
- maximum entropy
- markov models
- structured learning
- structured prediction
- web page prediction
- generative model
- pairwise
- semi markov
- superpixels
- contextual features
- decision trees
- image processing
- feature selection
- information retrieval