S. ISSA, A.; M. ABDULAZEEZ, A. Intrusion Detection System Based on Neural Networks Using Bipolar Input with Bipolar Sigmoid Activation Function. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 8, n. 2, p. 79–86, 2011. DOI: 10.33899/csmj.2011.163644 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36637. Acesso em: 18 dec. 2025.