Anomaly detection of time series.

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Anomaly detection of time series.

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2010-05

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This thesis deals with the problem of anomaly detection for time series data. Some of the important applications of time series anomaly detection are healthcare, eco-system disturbances, intrusion detection and aircraft system health management. Although there has been extensive work on anomaly detection (1), most of the techniques look for individual objects that are different from normal objects but do not consider the sequence aspect of the data into consideration. In this thesis, we analyze the state of the art of time series anomaly detection techniques and present a survey. We also propose novel anomaly detection techniques and transformation techniques for the time series data. Through extensive experimental evaluation of the proposed techniques on the data sets collected across diverse domains, we conclude that our techniques perform well across many datasets.

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University of Minnesota M.S. thesis. May 2010. Major: Computer Science. Advisor: Prof.Vipin Kumar. 1 computer science (PDF); vi, 75 pages. Ill. (some col.)

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Cheboli, Deepthi. (2010). Anomaly detection of time series.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/92985.

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