Xu, H., D. Luo, L. Carin, and H. Zha. “Learning Graphons via Structured Gromov-Wasserstein Barycenters”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 12, May 2021, pp. 10505-13, doi:10.1609/aaai.v35i12.17257.