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DriftSurf: Stable-State / Reactive-State Learning under Concept Drift

ICML 2021 · Label-efficient and robust learning › OOD and anomaly detection · approach: Robust fine-tuning for OOD generalization · 4 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use DriftSurf stable-state/reactive-state process instead of standalone drift detection (StandardDD-style detector)DriftSurf vs StandardDD · Table 2 averages across 13 datasetsmisclassification rateMixed
Greedy prediction during reactive state (switch to new model after one step of outperforming) (ablation)DriftSurf · Table 2 averages / RCV1 and 13 datasetsmisclassification rate: 0.221 vs 0.229 without greedyHelped
Use DriftSurf stable/reactive process instead of standalone drift detection under 20% additive noise in SEADriftSurf vs MDDM · SEA20misclassification rate: 0.243 vs 0.289 (MDDM)Helped
Use DriftSurf instead of MDDM standalone drift detectionDriftSurf vs MDDM · ELECTRICITYmisclassification rate: 0.290 vs 0.344Helped
Equal-compute divided-update setting: DriftSurf vs AUE ensembleDriftSurf vs AUE · Table 3 (update steps divided)misclassification rate: 0.271 vs 0.317 on CoverType; DriftSurf dominates AUE across all datasetsHelped
Use DriftSurf instead of AUE ensemble (equal per-step compute)DriftSurf vs AUE · Table 2 Airline and Hyper-Slowmisclassification rate: AUE outperforms DriftSurf on Airline (0.333 vs 0.338) and Hyper-Slow (0.112 vs 0.118)Hurt
Increase aggressiveness of drift detection threshold delta (lower delta) with reactive state (ablation)DriftSurf · Figure 3 averaged across datasetsmisclassification rateNo clear effect

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