Maretic, H. P., M. E. Gheche, G. Chierchia, and P. Frossard. “FGOT: Graph Distances Based on Filters and Optimal Transport”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 36, no. 7, June 2022, pp. 7710-8, doi:10.1609/aaai.v36i7.20738.