Egressy, Béni, Luc von Niederhäusern, Jovan Blanuša, Erik Altman, Roger Wattenhofer, and Kubilay Atasu. 2024. “Provably Powerful Graph Neural Networks for Directed Multigraphs”. Proceedings of the AAAI Conference on Artificial Intelligence 38 (10):11838-46. https://doi.org/10.1609/aaai.v38i10.29069.