Abstract
Online learning and real-time data processing are becoming increasingly vital across various domains such as sensor networks, banking, and telecommunications. A significant challenge in this context is concept drift, wherein the statistical properties of the data change over time. Traditional drift detectors often grapple with high memory usage, extended delay in detection, prolonged runtime, and accuracy inconsistencies. This paper introduces a novel Online Drift Detector that meticulously balances these four aspects. By processing data instance-by-instance, our proposed detector optimizes the trade-offs between delay detection, runtime, memory consumption, and accuracy. We incorporate a unique diversity calculation tailored for multi-label problems, ensuring swift drift detection with minimized memory usage and enhanced runtime efficiency. Comparative analyses reveal the dominance of our approach over contemporary drift detection techniques, particularly in the realms of memory efficiency, detection speed, and accuracy. This work substantially augments the field of online data stream processing by offering a refined strategy for timely and efficient concept drift detection across a myriad of applications.
Published Version
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