@inproceedings{fang-etal-2020-hierarchical, title = "Hierarchical Graph Network for Multi-hop Question Answering", author = "Fang, Yuwei and Sun, Siqi and Gan, Zhe and Pillai, Rohit and Wang, Shuohang and Liu, Jingjing", editor = "Webber, Bonnie and Cohn, Trevor and He, Yulan and Liu, Yang", booktitle = "Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP)", month = nov, year = "2020", address = "Online", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2020.emnlp-main.710/", doi = "10.18653/v1/2020.emnlp-main.710", pages = "8823--8838" }