MA, T.; CHEN, J. Unsupervised Learning of Graph Hierarchical Abstractions with Differentiable Coarsening and Optimal Transport. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 35, n. 10, p. 8856-8864, 2021. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/17072. Acesso em: 11 aug. 2022.