Olsson, Tomas and Holst, Anders (2015) A Probabilistic Approach to Aggregating Anomalies for Unsupervised Anomaly Detection with Industrial Applications. In: Proceedings of the Twenty-Eighth International Florida Artificial Intelligence Research Society Conference.
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This paper presents a novel, unsupervised approach to detecting anomalies at the collective level. The method probabilistically aggregates the contribution of the individual anomalies in order to detect significantly anomalous groups of cases. The approach is unsupervised in that as only input, it uses a list of cases ranked according to its individual anomaly score. Thus, any anomaly detection algorithm can be used for scoring individual anomalies, both supervised and unsupervised approaches. The applicability of the proposed approach is shown by applying it to an artificial data set and to two industrial data sets — detecting anomalously moving cranes (model-based detection) and anomalous fuel consumption (neighbour-based detection).
|Item Type:||Conference or Workshop Item (Paper)|
|Deposited By:||Tomas Olsson|
|Deposited On:||08 Jun 2015 10:56|
|Last Modified:||08 Jun 2015 10:56|
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- A Probabilistic Approach to Aggregating Anomalies for Unsupervised Anomaly Detection with Industrial Applications. (deposited 08 Jun 2015 10:57)
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