@article{classpriorestimationforlearningfrom,
  title = {Class-prior Estimation for Learning from Positive and Unlabeled Data},
  author = {Marthinus C. du Plessis and Gang Niu and Masashi Sugiyama},
  year = {2016},
  eprint = {1611.01586},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1611.01586v1},
}