Is Graph Structure Necessary for Multi-hop Question Answering? Nan Shao author Yiming Cui author Ting Liu author Shijin Wang author Guoping Hu author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication shao-etal-2020-graph 10.18653/v1/2020.emnlp-main.583 https://aclanthology.org/2020.emnlp-main.583/ 2020-11 7187 7192