@article{JMLR:v11:varshney10a,
  author  = {Kush R. Varshney and Alan S. Willsky},
  title   = {Classification Using Geometric Level Sets},
  journal = {Journal of Machine Learning Research},
  year    = {2010},
  volume  = {11},
  number  = {14},
  pages   = {491--516},
  url     = {http://jmlr.org/papers/v11/varshney10a.html}
}