Learning Invariant Representation Improves Robustness for MRC Models Yu Hai author Liang Wen author Haoran Meng author Tianyu Liu author Houfeng Wang author 2022-12 text Findings of the Association for Computational Linguistics: EMNLP 2022 Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication hai-etal-2022-learning 10.18653/v1/2022.findings-emnlp.241 https://aclanthology.org/2022.findings-emnlp.241/ 2022-12 3306 3314