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A Probabilistic Approach to Aggregating Anomalies for Unsupervised Anomaly Detection with Industrial Applications
RISE., Swedish ICT, SICS.ORCID-id: 0000-0002-9890-4918
RISE., Swedish ICT, SICS, Decisions, Networks and Analytics lab.ORCID-id: 0000-0001-8577-6745
2015 (engelsk)Inngår i: Proceedings of the 28th International Florida Artificial Intelligence Research Society Conference (FLAIRS 2015), 2015, 7, s. 434-439Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

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).

sted, utgiver, år, opplag, sider
2015, 7. s. 434-439
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URN: urn:nbn:se:ri:diva-24430Scopus ID: 2-s2.0-84958181138ISBN: 9781577357308 (tryckt)OAI: oai:DiVA.org:ri-24430DiVA, id: diva2:1043511
Konferanse
28th International Florida Artificial Intelligence Research Society Conference (FLAIRS 2015), May 18-20, 2015, Hollywood, US
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STREAMTilgjengelig fra: 2016-10-31 Laget: 2016-10-31 Sist oppdatert: 2023-05-09bibliografisk kontrollert

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Totalt: 138 treff
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