@article{JMLR:v14:pan13a,
  author  = {Wei Pan and Xiaotong Shen and Binghui Liu},
  title   = {Cluster Analysis: Unsupervised Learning via Supervised Learning with a Non-convex Penalty},
  journal = {Journal of Machine Learning Research},
  year    = {2013},
  volume  = {14},
  number  = {58},
  pages   = {1865--1889},
  url     = {http://jmlr.org/papers/v14/pan13a.html}
}