Li, Jiaoyang, Zhe Chen, Yi Zheng, Shao-Hung Chan, Daniel Harabor, Peter J. Stuckey, Hang Ma, and Sven Koenig. 2021. “Scalable Rail Planning and Replanning: Winning the 2020 Flatland Challenge”. Proceedings of the International Symposium on Combinatorial Search 12 (1):179-81. https://doi.org/10.1609/socs.v12i1.18576.