@article{JMLR:v21:19-470,
  author  = {Davide Bacciu and Federico Errica and Alessio Micheli},
  title   = {Probabilistic Learning on Graphs via Contextual Architectures},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {134},
  pages   = {1--39},
  url     = {http://jmlr.org/papers/v21/19-470.html}
}