@article{JMLR:v9:lebanon08a,
  author  = {Guy Lebanon and Yi Mao},
  title   = {Non-Parametric Modeling of Partially Ranked Data},
  journal = {Journal of Machine Learning Research},
  year    = {2008},
  volume  = {9},
  number  = {79},
  pages   = {2401--2429},
  url     = {http://jmlr.org/papers/v9/lebanon08a.html}
}