Gao, T., S. Asoodeh, Y. Huang, and J. Evans. “Wasserstein Soft Label Propagation on Hypergraphs: Algorithm and Generalization Error Bounds”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 3630-7, doi:10.1609/aaai.v33i01.33013630.