@inproceedings{questiondrivenspanlabelingmodelfor,
  title = {Question-Driven Span Labeling Model for Aspect–Opinion Pair Extraction},
  author = {Lei Gao and Yulong Wang and Tongcun Liu and Jingyu Wang and Lei Zhang and Jianxin Liao},
  year = {2021},
  booktitle = {AAAI 2021 5},
  url = {https://ojs.aaai.org/index.php/AAAI/article/view/17523},
}