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Incremental classification of process data for anomaly based detection based on Similarity Analysis

Byttner, S. and Svensson, M. and Vatchkov, Gantcho L. (2011) Incremental classification of process data for anomaly based detection based on Similarity Analysis. [Conference Proceedings]

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    Abstract

    Performance evaluation and anomaly detection in complex systems are time consuming tasks based on analyzing, similarity analysis and classification of many different data sets from real operations. This paper presents an original computational technology for unsupervised incremental classification of large data sets by using a specially introduced similarity analysis method. First of all the so called compressed data models are obtained from the original large data sets by a newly proposed sequential clustering algorithm. Then the data sets are compared by pairs not directly, but by using their respective compressed data models. The evaluation of the pairs is done by a special similarity analysis method that uses the so called Intelligent Sensors (Agents) and data potentials. Finally a classification decision is generated by using a predefined threshold of similarity. The applicability of the proposed computational scheme for anomaly detection, based on many available large data sets is demonstrated on an example of 18 synthetic data sets. Suggestions for further improvements of the whole computation technology and a better applicability are also discussed in the paper. Keywords - anomaly detection, compressed data models

    Item Type: Conference Proceedings
    Uncontrolled Keywords: anomaly detection, compressed data models, sequential clustering, incremental classification, similarity analysis, intelligent sensors
    Subjects: T Technology > TA Engineering (General). Civil engineering (General)
    Divisions: Faculty of Business and Economics (FBE) > School of Government, Development and International Affairs
    Depositing User: Gancho Vatchkov
    Date Deposited: 13 May 2013 14:47
    Last Modified: 11 Oct 2013 10:48
    URI: http://repository.usp.ac.fj/id/eprint/5822
    UNSPECIFIED

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