Counterfactual Data Augmentation via Perspective Transition for Open-Domain Dialogues Jiao Ou author Jinchao Zhang author Yang Feng author Jie Zhou author 2022-12 text Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication ou-etal-2022-counterfactual 10.18653/v1/2022.emnlp-main.106 https://aclanthology.org/2022.emnlp-main.106/ 2022-12 1635 1648