Biomedical and Chemical Named Entity Recognition with Conditional Random Fields: The Advantage of Dictionary Features.
Christoph M. FriedrichThomas RevillionMartin HofmannJuliane FluckPublished in: SMBM (2006)
Keyphrases
- named entity recognition
- conditional random fields
- sequence labeling
- information extraction
- crf model
- maximum entropy classifier
- genia corpus
- maximum entropy
- natural language processing
- graphical models
- named entities
- hidden markov models
- probabilistic model
- generative model
- text summarization
- semi supervised
- question answering
- pairwise
- random fields
- feature set
- relation extraction
- higher order
- markov random field
- feature vectors
- data mining
- dependency parsing
- joint inference
- feature extraction
- structured prediction
- web page prediction
- computer vision
- discriminative models
- annotated corpus
- artificial intelligence
- machine learning
- training data
- markov networks
- natural language
- data analysis
- feature space
- segmentation method
- graph cuts