Learning Hard Retrieval Decoder Attention for Transformers Hongfei Xu author Qiuhui Liu author Josef van Genabith author Deyi Xiong author 2021-11 text Findings of the Association for Computational Linguistics: EMNLP 2021 Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication xu-etal-2021-learning-hard-retrieval 10.18653/v1/2021.findings-emnlp.67 https://aclanthology.org/2021.findings-emnlp.67/ 2021-11 779 785