@article{whichkindisbetterinopendomainmulti,
  title = {Which Kind Is Better in Open-domain Multi-turn Dialog,Hierarchical or Non-hierarchical Models? An Empirical Study},
  author = {Tian Lan and Xian-Ling Mao and Wei Wei and He-Yan Huang},
  year = {2020},
  eprint = {2008.02964},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2008.02964v1},
}