DETECTING GROUP SHILLING ATTACKS IN ONLINE RECOMMENDER SYSTEMS BASED ON BISECTING K-MEANS CLUSTERING. International Journal of Engineering Research and Science & Technology, [S. l.], v. 21, n. 3 (1), p. 1168–1174, 2025. DOI: 10.62643/. Disponível em: https://ijerst.org/index.php/ijerst/article/view/1382. Acesso em: 14 jun. 2026.