Botea, Adi, and Vadim Bulitko. “Scaling Up Search With Partial Initial States in Optimization Crosswords”. Proceedings of the International Symposium on Combinatorial Search 12, no. 1 (July 21, 2021): 20–27. Accessed May 8, 2026. https://ojs.aaai.org/index.php/SOCS/article/view/18547.