@article{JMLR:v13:zhu12a,
  author  = {Jun Zhu and Amr Ahmed and Eric P. Xing},
  title   = {MedLDA: Maximum Margin Supervised Topic Models},
  journal = {Journal of Machine Learning Research},
  year    = {2012},
  volume  = {13},
  number  = {74},
  pages   = {2237--2278},
  url     = {http://jmlr.org/papers/v13/zhu12a.html}
}