M. Li, D. Ma, and Y. Zhang, “Improving Database Anomaly Detection Efficiency through Sample Difficulty Estimation”, Pinn. Acad. Press Proc. Ser., vol. 2, no. 1, pp. 1–11, May 2025, Accessed: Dec. 09, 2025. [Online]. Available: https://pinnaclepubs.com/index.php/PAPPS/article/view/87