@article{JMLR:v10:quadrianto09a,
  author  = {Novi Quadrianto and Alex J. Smola and Tib{{\'e}}rio S. Caetano and Quoc V. Le},
  title   = {Estimating Labels from Label Proportions},
  journal = {Journal of Machine Learning Research},
  year    = {2009},
  volume  = {10},
  number  = {82},
  pages   = {2349--2374},
  url     = {http://jmlr.org/papers/v10/quadrianto09a.html}
}