@inproceedings{spanmltaspanbasedmultitasklearning,
  title = {SpanMlt: A Span-based Multi-Task Learning Framework for Pair-wise Aspect and Opinion Terms Extraction},
  author = {He Zhao and Longtao Huang and Rong Zhang and Quan Lu and Hui Xue},
  year = {2020},
  booktitle = {ACL 2020 6},
  url = {https://aclanthology.org/2020.acl-main.296},
}