@inproceedings{anempiricalstudyofspanrepresentationsin,
  title = {An Empirical Study of Span Representations in Argumentation Structure Parsing},
  author = {Tatsuki Kuribayashi and Hiroki Ouchi and Naoya Inoue and Paul Reisert and Toshinori Miyoshi and Jun Suzuki and Kentaro Inui},
  year = {2019},
  booktitle = {ACL 2019 7},
  url = {https://aclanthology.org/P19-1464},
}