@article{JMLR:v18:17-019,
  author  = {Botao Hao and Will Wei Sun and Yufeng Liu and Guang Cheng},
  title   = {Simultaneous Clustering and Estimation of Heterogeneous Graphical Models},
  journal = {Journal of Machine Learning Research},
  year    = {2018},
  volume  = {18},
  number  = {217},
  pages   = {1--58},
  url     = {http://jmlr.org/papers/v18/17-019.html}
}