@inproceedings{negationfocusidentificationwithcontextua,
  title = {Negation Focus Identification with Contextual Discourse Information},
  author = {Bowei Zou and Guodong Zhou and Qiaoming Zhu},
  year = {2014},
  booktitle = {ACL 2014 6},
  url = {https://aclanthology.org/P14-1049},
}