@article{JMLR:v14:liu13a,
  author  = {Chong Zhang and Yufeng Liu},
  title   = {Multicategory Large-Margin Unified Machines},
  journal = {Journal of Machine Learning Research},
  year    = {2013},
  volume  = {14},
  number  = {41},
  pages   = {1349--1386},
  url     = {http://jmlr.org/papers/v14/liu13a.html}
}