ANDREŞEL, M.; IBÁÑEZ-GARCÍA, Y.; ORTIZ, M.; ŠIMKUS, M. Relaxing and Restraining Queries for OBDA. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 33, n. 01, p. 2654-2661, 2019. DOI: 10.1609/aaai.v33i01.33012654. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/4114. Acesso em: 24 mar. 2023.