Sequential fraud detection by determining proper sequence length in payment cards using HMM

The use of bank cards has increased significantly in recent years. This has resulted in increasing the probability of internet payment card frauds and has highly imposed losses on customers, institutions and banks. The methods used to detect frauds in this area mainly require a huge volume of histor...

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Bibliographic Details

Published in:	AUT Journal of Modeling and Simulation
Main Authors:	mehrdad kargari, gazaleh shahidi
Format:	Article
Language:	English
Published:	Amirkabir University of Technology 2020-06-01
Subjects:	payment card sequential spending behavior fraud detection hidden markov model kl divergence
Online Access:	https://miscj.aut.ac.ir/article_3936_8213fdc0c93057fb3b4f80a7805f2cd6.pdf