De-identifying Swedish clinical text - refinement of a gold standard and experiments with Conditional random fields.
Hercules DalianisSumithra VelupillaiPublished in: J. Biomed. Semant. (2010)
Keyphrases
- conditional random fields
- gold standard
- free text
- information extraction
- semi automatic
- ground truth
- graphical models
- probabilistic model
- sequence labeling
- higher order
- hidden markov models
- contextual features
- maximum entropy
- random fields
- clinical data sets
- generative model
- markov random field
- information retrieval
- undirected graphical models
- structured learning
- web page prediction
- crf model
- approximate inference
- text mining
- structured prediction
- named entity recognition
- pairwise
- mechanical turk
- markov models
- parameter learning
- image labeling
- semi markov
- markov networks
- segmentation method
- web documents
- clinical data
- keywords