Investigating the Challenges of Temporal Relation Extraction from Clinical Text.
Diana GalvanNaoaki OkazakiKoji MatsudaKentaro InuiPublished in: Louhi@EMNLP (2018)
Keyphrases
- relation extraction
- dependency tree
- broad coverage
- natural language text
- dependency trees
- named entity recognizer
- manually annotated
- information extraction
- entity extraction
- automatic extraction
- named entities
- domain specific
- semantic relations
- free text
- semantic features
- semantic role labeling
- reference resolution
- question answering
- named entity recognition
- natural language processing
- tree kernels
- parse tree
- information retrieval
- sentiment classification
- co occurrence
- semantic information
- text documents
- text mining
- data mining
- knn
- feature space
- keywords
- text retrieval