@techreport{2018a,
  author = "P. Schoppmann and A. Gascón and B. Balle",
  title = "Private Nearest Neighbors Classification in Federated Databases",
  year = 2018,
  journal = "IACR Cryptology ePrint Archive",
  volume = 2018,
  month = "Mar",
  url = "https://eprint.iacr.org/2018/289.pdf"
}