@inproceedings{exploitingthescopeofnegationsand,
  title = {Exploiting the Scope of Negations and Heterogeneous Features for Relation Extraction: A Case Study for Drug-Drug Interaction Extraction},
  author = {Md. Faisal Mahbub Chowdhury and Alberto Lavelli},
  year = {2013},
  booktitle = {NAACL 2013 6},
  url = {https://aclanthology.org/N13-1093},
}