@article{chisquaredamplificationidentifyinghidden,
  title = {Chi-squared Amplification: Identifying Hidden Hubs},
  author = {Ravi Kannan and Santosh Vempala},
  year = {2016},
  eprint = {1608.03643},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1608.03643v2},
}