Learning to Contrast the Counterfactual Samples for Robust Visual Question Answering Zujie Liang author Weitao Jiang author Haifeng Hu author Jiaying Zhu 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 liang-etal-2020-learning 10.18653/v1/2020.emnlp-main.265 https://aclanthology.org/2020.emnlp-main.265/ 2020-11 3285 3292