Oluwadare, Sunkanmi, and Zag ElSayed. “A Survey of Unsupervised Learning Algorithms for Zero-Day Attacks in Intrusion Detection Systems”. The International FLAIRS Conference Proceedings 36, no. 1 (May 8, 2023). Accessed April 13, 2026. https://journals.flvc.org/FLAIRS/article/view/133182.