Thayer, Jordan, J. Benton, and Malte Helmert. “Better Parameter-Free Anytime Search by Minimizing Time Between Solutions”. Proceedings of the International Symposium on Combinatorial Search 3, no. 1 (July 19, 2012): 120–128. Accessed July 12, 2026. https://ojs.aaai.org/index.php/SOCS/article/view/18242.