BOTEA, A.; BULITKO, V. Tiered State Expansion in Optimization Crosswords. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, [S. l.], v. 18, n. 1, p. 79-86, 2022. DOI: 10.1609/aiide.v18i1.21950. Disponível em: https://ojs.aaai.org/index.php/AIIDE/article/view/21950. Acesso em: 19 apr. 2024.