Passage-Mask: A Learnable Regularization Strategy for Retriever-Reader Models Shujian Zhang author Chengyue Gong author Xingchao Liu 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 zhang-etal-2022-passage 10.18653/v1/2022.emnlp-main.260 https://aclanthology.org/2022.emnlp-main.260/ 2022-12 3931 3943