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Related papers: Fraud Detection Through Large-Scale Graph Clusteri…

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The innovative GNN-CL model proposed in this paper marks a breakthrough in the field of financial fraud detection by synergistically combining the advantages of graph neural networks (gnn), convolutional neural networks (cnn) and long…

Machine Learning · Computer Science 2024-07-10 Yu Cheng , Junjie Guo , Shiqing Long , You Wu , Mengfang Sun , Rong Zhang

The insurance industry has been creating innovative products around the emerging online shopping activities. Such e-commerce insurance is designed to protect buyers from potential risks such as impulse purchases and counterfeits. Fraudulent…

Cryptography and Security · Computer Science 2020-03-13 Cen Chen , Chen Liang , Jianbin Lin , Li Wang , Ziqi Liu , Xinxing Yang , Xiukun Wang , Jun Zhou , Yang Shuang , Yuan Qi

As the financial industry becomes more interconnected and reliant on digital systems, fraud detection systems must evolve to meet growing threats. Cloud-enabled Transformer models present a transformative opportunity to address these…

Computational Engineering, Finance, and Science · Computer Science 2025-02-03 Tingting Deng , Shuochen Bi , Jue Xiao

At online retail platforms, detecting fraudulent accounts and transactions is crucial to improve customer experience, minimize loss, and avoid unauthorized transactions. Despite the variety of different models for deep learning on graphs,…

Machine Learning · Computer Science 2022-04-25 Susie Xi Rao , Clémence Lanfranchi , Shuai Zhang , Zhichao Han , Zitao Zhang , Wei Min , Mo Cheng , Yinan Shan , Yang Zhao , Ce Zhang

As online fraudsters invest more resources, including purchasing large pools of fake user accounts and dedicated IPs, fraudulent attacks become less obvious and their detection becomes increasingly challenging. Existing approaches such as…

Social and Information Networks · Computer Science 2017-05-26 Shenghua Liu , Bryan Hooi , Christos Faloutsos

Credit card fraud imposes significant costs on both cardholders and issuing banks. Fraudsters often disguise their crimes, such as using legitimate transactions through several benign users to bypass anti-fraud detection. Existing graph…

Machine Learning · Computer Science 2025-03-04 Yao Zou , Dawei Cheng

Graph mining analyzes real-world graphs to find core substructures (connected subgraphs) in applications modeled as graphs. Substructure discovery is a process that involves identifying meaningful patterns, structures, or components within…

Social and Information Networks · Computer Science 2025-04-29 Arshdeep Singh , Abhishek Santra , Sharma Chakravarthy

Fraudulent activities have significantly increased across various domains, such as e-commerce, online review platforms, and social networks, making fraud detection a critical task. Spatial Graph Neural Networks (GNNs) have been successfully…

Machine Learning · Computer Science 2025-04-29 Wenxin Zhang , Jingxing Zhong , Guangzhen Yao , Renda Han , Xiaojian Lin , Zeyu Zhang , Cuicui Luo

Financial crime is a large and growing problem, in some way touching almost every financial institution. Financial institutions are the front line in the war against financial crime and accordingly, must devote substantial human and…

Blockchain has widespread applications in the financial field but has also attracted increasing cybercrimes. Recently, phishing fraud has emerged as a major threat to blockchain security, calling for the development of effective regulatory…

Social and Information Networks · Computer Science 2022-04-19 Panpan Li , Yunyi Xie , Xinyao Xu , Jiajun Zhou , Qi Xuan

Many machine learning methods have been proposed to achieve accurate transaction fraud detection, which is essential to the financial security of individuals and banks. However, most existing methods leverage original features only or…

Machine Learning · Computer Science 2023-07-13 Yue Tian , Guanjun Liu , Jiacun Wang , Mengchu Zhou

Credit card fraud incurs a considerable cost for both cardholders and issuing banks. Contemporary methods apply machine learning-based classifiers to detect fraudulent behavior from labeled transaction records. But labeled data are usually…

Machine Learning · Computer Science 2024-12-25 Sheng Xiang , Mingzhi Zhu , Dawei Cheng , Enxia Li , Ruihui Zhao , Yi Ouyang , Ling Chen , Yefeng Zheng

Graph clustering (or community detection) has long drawn enormous attention from the research on web mining and information networks. Recent literature on this topic has reached a consensus that node contents and link structures should be…

Social and Information Networks · Computer Science 2017-12-25 Carl Yang , Mengxiong Liu , Zongyi Wang , Liyuan Liu , Jiawei Han

Graph-based Neural Networks (GNNs) are recent models created for learning representations of nodes (and graphs), which have achieved promising results when detecting patterns that occur in large-scale data relating different entities. Among…

Machine Learning · Computer Science 2021-08-20 Ronald D. R. Pereira , Fabrício Murai

Blockchain Business applications and cryptocurrencies such as enable secure, decentralized value transfer, yet their pseudonymous nature creates opportunities for illicit activity, challenging regulators and exchanges in anti money…

Machine Learning · Computer Science 2026-01-09 M. Z. Haider , Tayyaba Noreen , M. Salman

Deep graph clustering, which aims to reveal the underlying graph structure and divide the nodes into different groups, has attracted intensive attention in recent years. However, we observe that, in the process of node encoding, existing…

Machine Learning · Computer Science 2022-01-03 Yue Liu , Wenxuan Tu , Sihang Zhou , Xinwang Liu , Linxuan Song , Xihong Yang , En Zhu

Graph-based fraud detection (GFD) can be regarded as a challenging semi-supervised node binary classification task. In recent years, Graph Neural Networks (GNN) have been widely applied to GFD, characterizing the anomalous possibility of a…

Machine Learning · Computer Science 2024-07-09 Fan Xu , Nan Wang , Hao Wu , Xuezhi Wen , Xibin Zhao , Hai Wan

Financial institutions face escalating challenges in identifying high-risk customer behaviors within massive transaction networks, where fraudulent activities exploit market fragmentation and institutional boundaries. We address three…

Computational Engineering, Finance, and Science · Computer Science 2026-01-01 Lecheng Zheng , Jian Ni , Chris Zobel , John R Birge

Detecting fraudulent transactions is an essential component to control risk in e-commerce marketplaces. Apart from rule-based and machine learning filters that are already deployed in production, we want to enable efficient real-time…

Machine Learning · Computer Science 2022-08-25 Mingxuan Lu , Zhichao Han , Susie Xi Rao , Zitao Zhang , Yang Zhao , Yinan Shan , Ramesh Raghunathan , Ce Zhang , Jiawei Jiang

The UK anti-fraud charity Fraud Advisory Panel (FAP) in their review of 2016 estimates business costs of fraud at 144 billion, and its individual counterpart at 9.7 billion. Banking, insurance, manufacturing, and government are the most…

Machine Learning · Computer Science 2022-05-11 Tuan Tran