SOCIAL SPAMMER DETECTION VIA CONVEX NON-NEGATIVE MATRIX FACTORIZATION . Phoenix: International Multidisciplinary Research Journal ( Peer reviewed High Impact Journal ), [S. l.], v. 1, n. 3, p. 22–27, 2023. DOI: 10.5281/msk4r558. Disponível em: https://pimrj.org/index.php/pimrj/article/view/72.. Acesso em: 6 aug. 2025.