Ask to Understand: Question Generation for Multi-hop Question Answering Li Jiawei author Ren Mucheng author Gao Yang author Yang Yizhe author 2023-08 text eng Proceedings of the 22nd Chinese National Conference on Computational Linguistics Maosong Sun editor Bing Qin editor Xipeng Qiu editor Jing Jiang editor Xianpei Han editor Chinese Information Processing Society of China Harbin, China conference publication jiawei-etal-2023-ask https://aclanthology.org/2023.ccl-1.50/ 2023-08 569 582