Biomedical Event Detection using Rules, Conditional Random Fields and Parse Tree Distances.
Farzaneh SarafrazJames M. EalesReza MohammadiJonathan E. DickersonDavid RobertsonGoran NenadicPublished in: BioNLP@HLT-NAACL (Shared Task) (2009)
Keyphrases
- event detection
- conditional random fields
- information extraction
- parse tree
- relation extraction
- probabilistic model
- hidden markov models
- named entity recognition
- pairwise
- graphical models
- semantic analysis
- higher order
- activity recognition
- production rules
- markov random field
- maximum entropy
- structured data
- dependency parsing
- natural language processing
- generative model
- question answering
- natural language text
- semantic role labeling
- segmentation method
- machine learning
- text mining
- natural language
- bayesian networks
- decision trees