Less is More: Pretrain a Strong Siamese Encoder for Dense Text Retrieval Using a Weak Decoder Shuqi Lu author Di He author Chenyan Xiong author Guolin Ke author Waleed Malik author Zhicheng Dou author Paul Bennett author Tie-Yan Liu author Arnold Overwijk author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication lu-etal-2021-less 10.18653/v1/2021.emnlp-main.220 https://aclanthology.org/2021.emnlp-main.220/ 2021-11 2780 2791