Borelli, Valerio, Alfonso Gerevini, Enrico Scala, and Ivan Serina. “Learning Heuristic Functions With Graph Neural Networks for Numeric Planning”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 43 (March 14, 2026): 36172–36179. Accessed May 25, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/40935.