Recovering Gold from Black Sand: Multilingual Dense Passage Retrieval with Hard and False Negative Samples Tianhao Shen author Mingtong Liu author Ming Zhou author Deyi Xiong 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 shen-etal-2022-recovering 10.18653/v1/2022.emnlp-main.730 https://aclanthology.org/2022.emnlp-main.730/ 2022-12 10659 10670