@inproceedings{graphinvariantkernels,
  title = {Graph Invariant Kernels},
  author = {Francesco Orsini and Paolo Frasconi and Luc De Raedt},
  year = {2015},
  booktitle = {Proceedings of the Twenty-Fourth International Joint Conference on Artificial Intelligence (IJCAI 2015) 2015 7},
  url = {https://dl.acm.org/citation.cfm?id=2832747.2832773},
}