@article{weisfeilerandlemangoneuralhigherorder,
  title = {Weisfeiler and Leman Go Neural: Higher-order Graph Neural Networks},
  author = {Christopher Morris and Martin Ritzert and Matthias Fey and William L. Hamilton and Jan Eric Lenssen and Gaurav Rattan and Martin Grohe},
  year = {2018},
  eprint = {1810.02244},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1810.02244v5},
}