Thakur , Rohit Kumar, Raj Kumari, and Anton Bagin. 2026. “ E-PCDD: An Event-Driven Adaptive Multi-Metric Fusion Framework for Reliable Unsupervised Concept Drift Detection in Evolving Data Streams”. International Journal of Artificial Intelligence and Machine Learning 6 (3):1752-59. https://doi.org/10.51483/IJAIML.2939.