Biomedical Event Annotation with CRFs and Precision Grammars.
Andrew MacKinlayDavid MartínezTimothy BaldwinPublished in: BioNLP@HLT-NAACL (Shared Task) (2009)
Keyphrases
- information extraction
- conditional random fields
- precision and recall
- higher order
- semantic annotation
- event detection
- high precision
- automatic annotation
- natural language processing
- metadata
- image annotation
- grammatical inference
- hidden markov models
- crf model
- natural language
- named entity recognition
- annotation tool
- context free grammars
- fully connected
- machine learning
- sequence labeling
- biomedical literature
- automatic image annotation
- visual languages
- active learning
- text mining
- graphical models
- web page prediction
- tree grammars
- context free
- semantic segmentation
- video annotation
- event recognition
- structured prediction
- relation extraction
- news stories
- named entities