Siag, Lior, Shahaf Shperberg, Ariel Felner, and Nathan R. Sturtevant. “Comparing Front-to-Front and Front-to-End Heuristics in Bidirectional Search”. Proceedings of the International Symposium on Combinatorial Search 16, no. 1 (July 2, 2023): 158–162. Accessed May 17, 2026. https://ojs.aaai.org/index.php/SOCS/article/view/27296.