Disease named entity recognition using semisupervised learning and conditional random fields.
Nichalin SuakkaphongZhu ZhangHsinchun ChenPublished in: J. Assoc. Inf. Sci. Technol. (2011)
Keyphrases
- conditional random fields
- semisupervised learning
- named entities
- information extraction
- co training
- named entity recognition
- computational linguistics
- natural language processing
- text mining
- relation extraction
- semi supervised learning
- co occurrence
- graphical models
- probabilistic model
- hidden markov models
- maximum entropy
- contextual features
- question answering
- supervised learning
- higher order
- cost sensitive
- information retrieval
- semi supervised
- machine learning
- unlabeled data
- generative model
- markov random field
- labeled data
- text classification
- natural language
- superpixels
- structured learning
- structured prediction
- pairwise
- segmentation method
- expert systems
- training data
- image processing