@inproceedings{hierarchicalgraphnetworkformultihop,
  title = {Hierarchical Graph Network for Multi-hop Question Answering},
  author = {Yuwei Fang and Siqi Sun and Zhe Gan and Rohit Pillai and Shuohang Wang and Jingjing Liu},
  year = {2019},
  booktitle = {EMNLP 2020 11},
  eprint = {1911.03631},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.03631v4},
}