COCO-DR: Combating the Distribution Shift in Zero-Shot Dense Retrieval with Contrastive and Distributionally Robust Learning

COCO-DR: Combating the Distribution Shift in Zero-Shot Dense Retrieval with Contrastive and Distributionally Robust Learning Yue Yu author Chenyan Xiong author Si Sun author Chao Zhang author Arnold Overwijk 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 yu-etal-2022-coco 10.18653/v1/2022.emnlp-main.95 https://aclanthology.org/2022.emnlp-main.95/ 2022-12 1462 1479