@article{JMLR:v24:22-1138,
  author  = {Stefan Stein and Chenlei Leng},
  title   = {An Annotated Graph Model with Differential Degree Heterogeneity for Directed Networks},
  journal = {Journal of Machine Learning Research},
  year    = {2023},
  volume  = {24},
  number  = {119},
  pages   = {1--69},
  url     = {http://jmlr.org/papers/v24/22-1138.html}
}