Improving Passage Retrieval with Zero-Shot Question Generation Devendra Sachan author Mike Lewis author Mandar Joshi author Armen Aghajanyan author Wen-tau Yih author Joelle Pineau author Luke Zettlemoyer 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 sachan-etal-2022-improving 10.18653/v1/2022.emnlp-main.249 https://aclanthology.org/2022.emnlp-main.249/ 2022-12 3781 3797