Exploring Fraudulent Financial Reporting with GHSOM

Authors:
Rua-Huan Tsaih;Wan-Ying Lin;Shin-Ying Huang
Affiliations:
Department of Management Information Systems, National Chengchi University, Taipei, Taiwan 11605;Department of Accounting, National Chengchi University, Taipei, Taiwan 11605;Department of Management Information Systems, National Chengchi University, Taipei, Taiwan 11605
Venue:
PAISI '09 Proceedings of the Pacific Asia Workshop on Intelligence and Security Informatics
Year:
2009

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Abstract

The issue of fraudulent financial reporting has drawn much public as well as academic attention. However, most relevant researches focus on predicting financial distress or bankruptcy. Little emphasis has been placed on exploring the financial reporting fraud itself. This study addresses the challenge of obtaining an enhanced understanding of the financial reporting fraud through the approach with the following four phases: (1) to identify a set of financial and corporate governance indicators that are significantly correlated with fraudulent financial reporting; (2) to use the Growing Hierarchical Self-Organizing Map (GHSOM) to cluster data from listed companies into fraud and non-fraud subsets; (3) to extract knowledge from the fraudulent financial reporting through observing the hierarchical relationship displayed in the trained GHSOM; and (4) to provide justification to the extracted knowledge.