@article{200907465v5,
  title = {Answering Any-hop Open-domain Questions with Iterative Document Reranking},
  author = {Ping Nie and Yuyu Zhang and Arun Ramamurthy and Le Song},
  year = {2020},
  eprint = {2009.07465},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.07465v5},
}