@article{JMLR:v7:takeuchi06a,
  author  = {Ichiro Takeuchi and Quoc V. Le and Timothy D. Sears and Alexander J. Smola},
  title   = {Nonparametric Quantile Estimation},
  journal = {Journal of Machine Learning Research},
  year    = {2006},
  volume  = {7},
  number  = {45},
  pages   = {1231--1264},
  url     = {http://jmlr.org/papers/v7/takeuchi06a.html}
}