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政大機構典藏 > 商學院 > 資訊管理學系 > 期刊論文 > Item 140.119/73488

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/73488

Title:	FEATURE EXTRACTION OF FRAUDULENT FINANCIAL REPORTING THROUGH UNSUPERVISED NEURAL NETWORKS
Authors:	蔡瑞煌 Huang, Shin-Ying;Tsaih, Rua-Huan;Lin, Wan-Ying
Contributors:	資管系
Keywords:	Fraudulent financial reporting;growing hierarchical self-organizing map;unsupervised neural network;feature extraction
Date:	2014
Issue Date:	2015-02-12 12:22:39 (UTC+8)
Abstract:	The objective of this study is to apply an unsupervised neural network tool to analyze fraudulent financial reporting (FFR) by extracting distinguishing features from samples of groups of companies and converting them into useful information for FFR detection. This methodology can be used as a decision support tool to help build an FFR identification model or other financial fraud or financial distress scenarios. The three stages of the proposed quantitative analysis approach are as follows: the data-preprocessing stage; the clustering stage, which uses an unsupervised neural network tool known as a growing hierarchical self-organizing map (GHSOM) to cluster sample observations into subgroups with hierarchical relationships; and the feature-extraction stage, which uncovers common features of each subgroup via principle component analysis. This study uses the hierarchal topology mapping ability of a GHSOM to cluster financial data, and it adopts principal component analysis to determine common embedded features and fraud patterns. The results show that the proposed three-stage approach is helpful in revealing embedded features and fraud patterns, using a set of significant explanatory financial indicators and the proportion of fraud. The revealed features can be used to distinguish distinctive groups.
Relation:	Neural Network World,5(14),539-560
Data Type:	article
DOI 連結:	http://dx.doi.org/10.14311/NNW.2014.24.031
DOI:	10.14311/NNW.2014.24.031
Appears in Collections:	[資訊管理學系] 期刊論文

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