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Classification-Based Fraud Detection for Payment Marketing and Promotion

Shuo He1,∗, Jianbin Zheng1,†, Jiale Lin2,‡, Tao Tang1,§, Jintao Zhao1,¶, Hongbao Liu1,ll

1 China UnionPay Research Institute of Electronic Payment. Shanghai 201201, China, P.R China
2 Shanghai Jiao Tong University, Shanghai 200240, China, P.R China

* Corresponding Authors: email
‡ Email:email
§ email
ll email

Computer Systems Science and Engineering 2020, 35(3), 141-149.


Nowadays, many payment service providers use the discounts and other marketing strategies to promote their products. This also raises the issue of people who deliberately take advantage of such promotions to reap financial benefits. These people are known as ‘scalper parties’ or ‘econnoisseurs’ which can constitute an underground industry. In this paper, we show how to use machine learning to assist in identifying abnormal scalper transactions. Moreover, we introduce the basic methods of Decision Tree and Boosting Tree, and show how these classification methods can be applied in the detection of abnormal transactions. In addition, we introduce a graph computing method, which implicitly describes the characteristics of people and merchants through node correlation, in order to mine deep features. Because of the volume of large data, we carried out reasonable block calculation, and succeeded in reducing a large amount of data to a series of segments, thereby decreasing the computational resources and memory requirements. Compared with other work on abnormal transaction detection, we pay more attention to creating and using the portraits of merchants or individuals to assist in decision-making. After data analysis and model building, we find that focusing on only one transaction or one day does not yield a comprehensive number of characteristics, and many characteristics can be obtained by examining the transactions of a person or a merchant over a period of time. Furthermore, a large number of characteristics can be obtained from transactions in a period of time. After GBDT (Gradient Boosting Decision Tree) based classification prediction and analysis, we can conclude that there is a clear distinction between abnormal trading shops and conventional shops, facilitating the clustering of abnormal merchants. By filtering transaction data from multiple dimensions, multiple sub-graphs can be obtained. After hierarchical clustering, the abnormal trading group is mined and classified according to its features. Finally, we build a scoring model and apply it to the big data platform of one of China’s largest payment service providers to help enterprises identify abnormal trading groups and specific marketing strategies.


Cite This Article

APA Style
He, S., Zheng, J., Lin, J., Tang, T., Zhao, J. et al. (2020). Classification-based fraud detection for payment marketing and promotion. Computer Systems Science and Engineering, 35(3), 141-149.
Vancouver Style
He S, Zheng J, Lin J, Tang T, Zhao J, Liu H. Classification-based fraud detection for payment marketing and promotion. Comput Syst Sci Eng. 2020;35(3):141-149
IEEE Style
S. He, J. Zheng, J. Lin, T. Tang, J. Zhao, and H. Liu "Classification-Based Fraud Detection for Payment Marketing and Promotion," Comput. Syst. Sci. Eng., vol. 35, no. 3, pp. 141-149. 2020.


cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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