@inproceedings{shao-etal-2020-graph,
    title = "Is Graph Structure Necessary for Multi-hop Question Answering?",
    author = "Shao, Nan  and
      Cui, Yiming  and
      Liu, Ting  and
      Wang, Shijin  and
      Hu, Guoping",
    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://www.aclweb.org/anthology/2020.emnlp-main.583",
    pages = "7187--7192",
}