KOUTRIKA, Georgia; BERCOVITZ, Benjamin; KALISZAN, Filip; LIOU, Henry; GARCIA-MOLINA, Hector. CourseRank: A Closed-Community Social System through the Magnifying Glass. Proceedings of the International AAAI Conference on Web and Social Media, [S. l.], v. 3, n. 1, p. 98–105, 2009. DOI: 10.1609/icwsm.v3i1.13958. Disponível em: https://ojs.aaai.org/index.php/ICWSM/article/view/13958. Acesso em: 26 may. 2026.