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相关论文: Transaction Fraud Detection via an Adaptive Graph …

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Graph Neural Networks (GNNs) are widely used in financial fraud detection due to their excellent ability on handling graph-structured financial data and modeling multilayer connections by aggregating information of neighbors. However, these…

机器学习 · 计算机科学 2024-08-20 Jiaxun Liu , Yue Tian , Guanjun Liu

Financial frauds cause billions of losses annually and yet it lacks efficient approaches in detecting frauds considering user profile and their behaviors simultaneously in social network . A social network forms a graph structure whilst…

社会与信息网络 · 计算机科学 2023-03-28 Hanyi Hu , Long Zhang , Shuan Li , Zhi Liu , Yao Yang , Chongning Na

The landscape of financial transactions has grown increasingly complex due to the expansion of global economic integration and advancements in information technology. This complexity poses greater challenges in detecting and managing…

统计金融 · 定量金融 2025-10-09 Dawei Cheng , Yao Zou , Sheng Xiang , Changjun Jiang

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…

计算工程、金融与科学 · 计算机科学 2025-02-03 Tingting Deng , Shuochen Bi , Jue Xiao

Fraud detection on graph data can be viewed as a demanding task that requires distinguishing between different types of nodes. Because graph neural networks (GNNs) are naturally suited for processing information encoded in graph form…

机器学习 · 计算机科学 2026-04-17 Wei He , Wensheng Gan , Philip S. Yu

With the rapid growth of financial services, fraud detection has been a very important problem to guarantee a healthy environment for both users and providers. Conventional solutions for fraud detection mainly use some rule-based methods or…

社会与信息网络 · 计算机科学 2020-03-05 Daixin Wang , Jianbin Lin , Peng Cui , Quanhui Jia , Zhen Wang , Yanming Fang , Quan Yu , Jun Zhou , Shuang Yang , Yuan Qi

Financial fraud refers to the act of obtaining financial benefits through dishonest means. Such behavior not only disrupts the order of the financial market but also harms economic and social development and breeds other illegal and…

机器学习 · 计算机科学 2025-12-16 Yuxin Dong , Jianhua Yao , Jiajing Wang , Yingbin Liang , Shuhan Liao , Minheng Xiao

Large digital platforms create environments where different types of user interactions are captured, these relationships offer a novel source of information for fraud detection problems. In this paper we propose a framework of relational…

Graph neural networks (GNNs) have been widely applied to numerous fields. A recent work which combines layered structure and residual connection proposes an improved deep architecture to extend CAmouflage-REsistant GNN (CARE-GNN) to deep…

机器学习 · 计算机科学 2022-02-15 Yufan Zeng , Jiashan Tang

Graph fraud detection (GFD) is crucial for identifying fraudulent behavior within graphs, benefiting various domains such as financial networks and social media. Existing methods based on graph neural networks (GNNs) have succeeded…

机器学习 · 计算机科学 2026-03-04 Jiaqi Lv , Qingfeng Du , Yu Zhang , Yongqi Han , Sheng Li

Technological advancements in cryptocurrency markets have increased accessibility for investors, but concurrently exposed them to the risks of market manipulations. Existing fraud detection mechanisms typically rely on machine learning…

机器学习 · 计算机科学 2026-04-28 Lidia Losavio , Luca Persia , Madan Sathe , Dimosthenis Pasadakis

Current anti-money laundering (AML) systems, predominantly rule-based, exhibit notable shortcomings in efficiently and precisely detecting instances of money laundering. As a result, there has been a recent surge toward exploring…

机器学习 · 计算机科学 2023-07-26 Fredrik Johannessen , Martin Jullum

Credit card fraud poses a significant threat to the economy. While Graph Neural Network (GNN)-based fraud detection methods perform well, they often overlook the causal effect of a node's local structure on predictions. This paper…

机器学习 · 计算机科学 2024-11-28 Yifan Duan , Guibin Zhang , Shilong Wang , Xiaojiang Peng , Wang Ziqi , Junyuan Mao , Hao Wu , Xinke Jiang , Kun Wang

Detection of credit card fraud is an acute issue of financial security because transaction datasets are highly lopsided, with fraud cases being only a drop in the ocean. Balancing datasets using the most popular methods of traditional…

机器学习 · 计算机科学 2025-09-25 Kashaf Ul Emaan

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…

机器学习 · 计算机科学 2024-07-09 Fan Xu , Nan Wang , Hao Wu , Xuezhi Wen , Xibin Zhao , Hai Wan

Node classification is a substantial problem in graph-based fraud detection. Many existing works adopt Graph Neural Networks (GNNs) to enhance fraud detectors. While promising, currently most GNN-based fraud detectors fail to generalize to…

Spoofing detection in financial trading is crucial, especially for identifying complex behaviors such as conspiracy spoofing. Traditional machine-learning approaches primarily focus on isolated node features, often overlooking the broader…

机器学习 · 计算机科学 2025-10-08 Sheng Xiang , Yidong Jiang , Yunting Chen , Dawei Cheng , Guoping Zhao , Changjun Jiang

Detection of a Fraud transaction on credit cards became one of the major problems for financial institutions, organizations and companies. As the global financial system is highly connected to non-cash transactions and online operations…

机器学习 · 计算机科学 2022-05-31 Dinara Rzayeva , Saber Malekzadeh

We propose AGS-GNN, a novel attribute-guided sampling algorithm for Graph Neural Networks (GNNs) that exploits node features and connectivity structure of a graph while simultaneously adapting for both homophily and heterophily in graphs.…

机器学习 · 计算机科学 2024-05-27 Siddhartha Shankar Das , S M Ferdous , Mahantesh M Halappanavar , Edoardo Serra , Alex Pothen

Financial fraud detection is essential for preventing significant financial losses and maintaining the reputation of financial institutions. However, conventional methods of detecting financial fraud have limited effectiveness,…