ABRAMOWITZ, B.; ANSHELEVICH, E. Utilitarians Without Utilities: Maximizing Social Welfare for Graph Problems Using Only Ordinal Preferences. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 32, n. 1, 2018. DOI: 10.1609/aaai.v32i1.11453. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/11453. Acesso em: 25 apr. 2026.