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Authors: Evmorfia N. Argyriou 1 ; Antonios Symvonis 1 and Vassilis Vassiliou 2

Affiliations: 1 National Technical University of Athens, Greece ; 2 Vodafone Greece, Greece

Keyword(s): Information Visualization, Fraud Management Systems, Data Visualization, Fraud Detection.

Related Ontology Subjects/Areas/Topics: Abstract Data Visualization ; Computer Vision, Visualization and Computer Graphics ; General Data Visualization ; Graph Visualization ; Information and Scientific Visualization ; Internet, Web and Security Visualization

Abstract: We present a prototype system developed in cooperation with a business organization that combines information visualization and pattern-matching techniques to detect fraudulent activity by employees. The system is built upon common fraud patterns searched while trying to detect occupational fraud suggested by internal auditors of a business company. The main visualization of the system consists of a multi-layer radial drawing that represents the activity of the employees and clients. Each layer represents a different examined pattern whereas heat-maps indicating suspicious activity are incorporated in the visualization. The data are first preprocessed based on a decision tree generated by the examined patterns and each employee is assigned a value indicating whether or not there exist indications of fraud. The visualization is presented as an animation and the employees are visualized one by one according to their severity values together with their related clients.

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Paper citation in several formats:
N. Argyriou, E., Symvonis, A. and Vassiliou, V. (2014). A Fraud Detection Visualization System Utilizing Radial Drawings and Heat-maps. In Proceedings of the 5th International Conference on Information Visualization Theory and Applications (VISIGRAPP 2014) - IVAPP; ISBN 978-989-758-005-5; ISSN 2184-4321, SciTePress, pages 153-160. DOI: 10.5220/0004735501530160

@conference{ivapp14,
author={Evmorfia {N. Argyriou} and Antonios Symvonis and Vassilis Vassiliou},
title={A Fraud Detection Visualization System Utilizing Radial Drawings and Heat-maps},
booktitle={Proceedings of the 5th International Conference on Information Visualization Theory and Applications (VISIGRAPP 2014) - IVAPP},
year={2014},
pages={153-160},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004735501530160},
isbn={978-989-758-005-5},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Information Visualization Theory and Applications (VISIGRAPP 2014) - IVAPP
TI - A Fraud Detection Visualization System Utilizing Radial Drawings and Heat-maps
SN - 978-989-758-005-5
IS - 2184-4321
AU - N. Argyriou, E.
AU - Symvonis, A.
AU - Vassiliou, V.
PY - 2014
SP - 153
EP - 160
DO - 10.5220/0004735501530160
PB - SciTePress

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