Maehara, T. and Inoue, Y. 2019. Group Decision Diagram (GDD): A Compact Representation for Permutations. Proceedings of the AAAI Conference on Artificial Intelligence. 33, 01 (Jul. 2019), 2986-2994. DOI:https://doi.org/10.1609/aaai.v33i01.33012986.