Kishimoto, Akihiro, Rong Zhou, and Tatsuya Imai. “Diverse Depth-First Search in Satisificing Planning”. Proceedings of the International Symposium on Combinatorial Search 3, no. 1 (July 19, 2012): 164–165. Accessed July 12, 2026. https://ojs.aaai.org/index.php/SOCS/article/view/18262.