Biblio
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2022. Performance Variability and Causality in Complex Systems. 2022 IEEE International Conference on Autonomic Computing and Self-Organizing Systems Companion (ACSOS-C). :19—24.
Anomalous behaviour in subsystems of complex machines often affect overall performance even without failures. We devise unsupervised methods to detect times with degraded performance, and localize correlated signals, evaluated on a system with over 4000 monitored signals. From incidents comprising both downtimes and degraded performance, our approach localizes relevant signals within 1.2% of the parameter space.