ZHANG, H.; JIANG, G. Characterizing the Program Expressive Power of Existential Rule Languages. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 36, n. 5, p. 5950-5957, 2022. DOI: 10.1609/aaai.v36i5.20540. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/20540. Acesso em: 5 may. 2024.