BONATTI, Piero; FAELLA, Marco; SAURO, Luigi. Adding Default Attributes to EL++. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 25, n. 1, p. 171–176, 2011. DOI: 10.1609/aaai.v25i1.7849. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/7849. Acesso em: 7 may. 2026.