@article{secureapproximationguaranteefor,
  title = {Secure Approximation Guarantee for Cryptographically Private Empirical Risk Minimization},
  author = {Toshiyuki Takada and Hiroyuki Hanada and Yoshiji Yamada and Jun Sakuma and Ichiro Takeuchi},
  year = {2016},
  eprint = {1602.04579},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1602.04579v1},
}