@article{JMLR:v21:19-563,
  author  = {Tianxi Li and Cheng Qian and Elizaveta Levina and Ji Zhu},
  title   = {High-dimensional Gaussian graphical models on network-linked data},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {74},
  pages   = {1--45},
  url     = {http://jmlr.org/papers/v21/19-563.html}
}