TIARA: Multi-grained Retrieval for Robust Question Answering over Large Knowledge Base Yiheng Shu author Zhiwei Yu author Yuhan Li author Börje F Karlsson author Tingting Ma author Yuzhong Qu author Chin-Yew Lin 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 shu-etal-2022-tiara 10.18653/v1/2022.emnlp-main.555 https://aclanthology.org/2022.emnlp-main.555/ 2022-12 8108 8121