Exploiting the Scope of Negations and Heterogeneous Features for Relation Extraction: A Case Study for Drug-Drug Interaction Extraction.
Md. Faisal Mahbub ChowdhuryAlberto LavelliPublished in: HLT-NAACL (2013)
Keyphrases
- relation extraction
- automatic extraction
- information extraction
- manually annotated
- entity extraction
- named entities
- question answering
- semantic role labeling
- named entity recognition
- dependency tree
- domain specific
- extraction patterns
- semantic relations
- knowledge acquisition
- broad coverage
- natural language processing
- machine learning
- text documents
- dependency trees