PTASZYNSKI, Michal; MACIEJEWSKI, Jacek; DYBALA, Pawel; RZEPKA, Rafal; ARAKI, Kenji. CAO: A Fully Automatic Emoticon Analysis System. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 24, n. 1, p. 1026–1032, 2010. DOI: 10.1609/aaai.v24i1.7715. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/7715. Acesso em: 21 may. 2026.