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InfDetect: a Large Scale Graph-based Fraud Detection System for E-Commerce Insurance [article]

Cen Chen, Chen Liang, Jianbin Lin, Li Wang, Ziqi Liu, Xinxing Yang, Xiukun Wang, Jun Zhou, Yang Shuang, Yuan Qi
2020 arXiv   pre-print
In order to uncover the relations behind organized fraudsters and detect fraudulent claims, we developed a large-scale insurance fraud detection system, i.e., InfDetect, which provides interfaces for commonly  ...  In this paper, we investigate different graphs to facilitate fraudster mining, such as a device-sharing graph, a transaction graph, a friendship graph, and a buyer-seller graph.  ...  All the algorithms are developed in a distributed fashion over parameter server to handle large scale graphs of up to billions of nodes. 1) Deepwalk: Deepwalk (DW) belongs to the family of unsupervised  ... 
arXiv:2003.02833v3 fatcat:3ov6jodf2zekjck2f54lanko6m