%0 Conference Proceedings %T Mask-then-Fill: A Flexible and Effective Data Augmentation Framework for Event Extraction %A Gao, Jun %A Yu, Changlong %A Wang, Wei %A Zhao, Huan %A Xu, Ruifeng %Y Goldberg, Yoav %Y Kozareva, Zornitsa %Y Zhang, Yue %S Findings of the Association for Computational Linguistics: EMNLP 2022 %D 2022 %8 December %I Association for Computational Linguistics %C Abu Dhabi, United Arab Emirates %F gao-etal-2022-mask %R 10.18653/v1/2022.findings-emnlp.332 %U https://aclanthology.org/2022.findings-emnlp.332/ %U https://doi.org/10.18653/v1/2022.findings-emnlp.332 %P 4537-4544