LIU, J.; BIRNBAUM, L.; PARDO, B. Spectrum: Retrieving Different Points of View from the Blogosphere. Proceedings of the International AAAI Conference on Web and Social Media, [S. l.], v. 3, n. 1, p. 114-121, 2009. DOI: 10.1609/icwsm.v3i1.13953. Disponível em: https://ojs.aaai.org/index.php/ICWSM/article/view/13953. Acesso em: 25 apr. 2024.