@article{indexnetwork,
  title = {Index Network},
  author = {Hao Lu and Yutong Dai and Chunhua Shen and Songcen Xu},
  year = {2019},
  eprint = {1908.09895},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1908.09895v2},
}