Soledad Villar, Benjamin Paul Chamberlain, Yuanqi Du, Hannes Stärk, Chaitanya K. Joshi, Andreea Deac, Iulia Duta, Joshua Robinson 0001, Yanqiao Zhu 0001, Kexin Huang, Michelle M. Li, Sofia Bourhim, Ilia Igashov, Alexandre Duval, Mathieu Alain, Dominique Beaini, Xinyu Yuan. The Second Learning on Graphs Conference: Preface. In Soledad Villar, Benjamin Chamberlain 0001, editors, Learning on Graphs Conference, 27-30 November 2023, Virtual Event. Volume 231 of Proceedings of Machine Learning Research, PMLR, 2023. [doi]