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Authors: Matías Di Martino ; Federico Decia ; Juan Molinelli and Alicia Fernández

Affiliation: Facultad de Ingeniería Universidad de la República Montevideo, Uruguay

ISBN: 978-989-8425-99-7

Keyword(s): Electricity theft, Support vector machine, Optimum path forest, Unbalance class problem, Combining classifier, UTE.

Related Ontology Subjects/Areas/Topics: Applications ; Cardiovascular Imaging and Cardiography ; Cardiovascular Technologies ; Data Engineering ; Health Engineering and Technology Applications ; Information Retrieval ; Ontologies and the Semantic Web ; Pattern Recognition ; Ranking ; Signal Processing ; Software Engineering

Abstract: Improving nontechnical loss detection is a huge challenge for electric companies. The great number of clients and the diversity of the different types of fraud makes this a very complex task. In this paper we present a fraud detection strategy based on class imbalance research. An automatic detection tool combining classification strategies is proposed. Individual classifiers such as One Class SVM, Cost Sensitive SVM (CS-SVM), Optimum Path Forest (OPF) and C4.5 Tree, and combination functions are designed taken special care in the data’s class imbalance nature. Analysis over consumers historical kWh load profile data from Uruguayan Electric Company (UTE) shows that using combination and balancing techniques improves automatic detection performance.

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Paper citation in several formats:
Di Martino, M.; Decia, F.; Molinelli, J. and Fernández, A. (2012). IMPROVING ELECTRIC FRAUD DETECTION USING CLASS IMBALANCE STRATEGIES.In Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM, ISBN 978-989-8425-99-7, pages 135-141. DOI: 10.5220/0003768401350141

@conference{icpram12,
author={Matías Di Martino. and Federico Decia. and Juan Molinelli. and Alicia Fernández.},
title={IMPROVING ELECTRIC FRAUD DETECTION USING CLASS IMBALANCE STRATEGIES},
booktitle={Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM,},
year={2012},
pages={135-141},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003768401350141},
isbn={978-989-8425-99-7},
}

TY - CONF

JO - Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM,
TI - IMPROVING ELECTRIC FRAUD DETECTION USING CLASS IMBALANCE STRATEGIES
SN - 978-989-8425-99-7
AU - Di Martino, M.
AU - Decia, F.
AU - Molinelli, J.
AU - Fernández, A.
PY - 2012
SP - 135
EP - 141
DO - 10.5220/0003768401350141

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