@inproceedings{argumentationminingonessaysatmulti,
  title = {Argumentation Mining on Essays at Multi Scales},
  author = {Hao Wang and Zhen Huang and Yong Dou and Yu Hong},
  year = {2020},
  booktitle = {COLING 2020 8},
  url = {https://aclanthology.org/2020.coling-main.478},
}