Volume 29, Issue 1 (IJIEPR 2018)                   IJIEPR 2018, 29(1): 91-101 | Back to browse issues page

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Eshghi A, Kargari M. Detecting frauds using customer behavior trend analysis and known scenarios. IJIEPR 2018; 29 (1) :91-101
URL: http://ijiepr.iust.ac.ir/article-1-779-en.html
Detecting frauds using customer behavior trend analysis and known scenarios
Abdollah Eshghi1 , Mehrdad Kargari 2
1- Tehran Jalal AleAhmad Nasr P.O.Box: 14115-111
2- Tehran Jalal AleAhmad Nasr P.O.Box: 14115-111 , m_kargari@modares.ac.ir
Abstract:   (4394 Views)
In this paper a fraud detection method is proposed which user behaviors are modeled using two main components namely the un-normal trend analysis component and scenario based component. The extent of deviation of a transaction from his/her normal behavior is estimated using fuzzy membership functions. The results of applying all membership functions on a transaction will then be infused and a final risk is gained which is the basis for decision making in order to block the arrived transaction or not. An optimized threshold for the value of the final risk is estimated in order to make a balance between the fraud detection rate and alarm rate. Although the assessment of such problems are complicated, we show that this method can be useful in application according to several measures and metrics.
Keywords: fraud detection, user profiles, fuzzy membership function, trend analysis, scenario
Full-Text [PDF 440 kb]   (2260 Downloads)    
Type of Study: Research | Subject: Information Processing and Engineering
Received: 2017/08/18 | Accepted: 2018/03/4 | Published: 2018/03/4
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