@inproceedings{relationawarecollaborativelearningfor,
  title = {Relation-Aware Collaborative Learning for Unified Aspect-Based Sentiment Analysis},
  author = {Zhuang Chen and Tieyun Qian},
  year = {2020},
  booktitle = {ACL 2020 6},
  url = {https://aclanthology.org/2020.acl-main.340},
}