KIMMIG, Angelika; VAN DEN BROECK, Guy; DE RAEDT, Luc. An Algebraic Prolog for Reasoning about Possible Worlds. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 25, n. 1, p. 209–214, 2011. DOI: 10.1609/aaai.v25i1.7852. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/7852. Acesso em: 28 may. 2026.