More Bang for Your Buck: Natural Perturbation for Robust Question Answering Daniel Khashabi author Tushar Khot author Ashish Sabharwal author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication khashabi-etal-2020-bang 10.18653/v1/2020.emnlp-main.12 https://aclanthology.org/2020.emnlp-main.12/ 2020-11 163 170