arXiv Machine Learning By Oliver Hennh\"ofer, Maximilian Kirsch, Christine Preisach

Conformal Anomaly Detection in Python: Moving Beyond Heuristic Thresholds with nonconform

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arXiv:2605. 13642v2 Announce Type: replace-cross Abstract: Most anomaly detection systems output scores rather than calibrated decisions, leaving practitioners to choose thresholds heuristically and without clear statistical interpretation.

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arXiv Machine Learning
Aug 20

Online Conformal Anomaly Detection with Prediction-Powered Data Acquisition

Online Conformal Anomaly Detection with Prediction-Powered Data Acquisition introduces C-PP-COAD, a framework that uses synthetic calibration data to reduce reliance on real-world calibration while maintaining assumption-free false discovery rate control. The method wraps any anomaly detection algorithm, converting its scores into conformal p-values for online testing. Experiments on synthetic and real datasets—including thyroid dysfunction, O‑RAN conflict, 5G intrusion, and UE throughput degradation—show that C-PP-COAD preserves FDR guarantees while significantly cutting the need for real calibration data.

By Amirmohammad Farzaneh, Osvaldo Simeone
arXiv Machine Learning
Jul 30

Early Failure Prediction from Near-Anomaly Detection: A Proactive Approach

arXiv:2607. 26704v1 Announce Type: cross Abstract: Anomaly detection methods often have uncertain behavior with respect to samples near the distribution boundary, limiting their ability to anticipate future anomalies.

By L\'ea Billet (LAAS, INSA Toulouse, ANITI), Louise Trav\'e-Massuy\`es (LAAS-DISCO, Comue de Toulouse, ANITI), Elodie Chanthery (LAAS), Alexandre Gaffet
arXiv Machine Learning
Sep 24

Anomaly-Free Self-Optimization via AUC Bounds

arXiv:2609.27362v1 Announce Type: new Abstract: Anomalies are rare, and anomalous data are often unavailable during development, making it difficult to determine which anomaly detection models and co...

By Kevin Wilkinghoff, Zheng-Hua Tan