Multi-Task Retrieval for Knowledge-Intensive Tasks Jean Maillard author Vladimir Karpukhin author Fabio Petroni author Wen-tau Yih author Barlas Oguz author Veselin Stoyanov author Gargi Ghosh author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication maillard-etal-2021-multi 10.18653/v1/2021.acl-long.89 https://aclanthology.org/2021.acl-long.89/ 2021-08 1098 1111