@article{efficienttrainingforpositiveunlabeled,
  title = {Efficient Training for Positive Unlabeled Learning},
  author = {Emanuele Sansone and Francesco G. B. De Natale and Zhi-Hua Zhou},
  year = {2016},
  eprint = {1608.06807},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1608.06807v4},
}