A Comparative Study on Feature Selection in Relation Extraction from Electronic Health Records.
Ilseyar AlimovaElena TutubalinaPublished in: DAMDID/RCDL (2019)
Keyphrases
- relation extraction
- electronic health records
- feature selection
- automatic extraction
- information extraction
- named entities
- clinical data
- domain specific
- health care
- semantic features
- semantic relations
- clinical trials
- medical data
- question answering
- named entity recognition
- text classification
- feature space
- feature extraction
- feature set
- classification accuracy
- support vector
- health information
- data sets
- dimensionality reduction
- medical records
- support vector machine
- knn
- prior knowledge
- expert systems
- machine learning