English
Related papers

Related papers: Financial Fraud Detection using Jump-Attentive Gra…

200 papers

Online financial services constitute an essential component of contemporary web ecosystems, yet their openness introduces substantial exposure to fraud that harms vulnerable users and weakens trust in digital finance. Such threats have…

Machine Learning · Computer Science 2026-02-05 Rongkun Cui , Nana Zhang , Kun Zhu , Qi Zhang

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

Graph representation learning has become a mainstream method for fraud detection due to its strong expressive power, which focuses on enhancing node representations through improved neighborhood knowledge capture. However, the focus on…

Machine Learning · Computer Science 2025-09-05 Yudan Song , Yuecen Wei , Yuhang Lu , Qingyun Sun , Minglai Shao , Li-e Wang , Chunming Hu , Xianxian Li , Xingcheng Fu

In this paper, we present a novel approach to identify linked fraudulent activities or actors sharing similar attributes, using Graph Convolution Network (GCN). These linked fraudulent activities can be visualized as graphs with abstract…

Social and Information Networks · Computer Science 2021-06-09 Sharmin Pathan , Vyom Shrivastava

In the rapidly evolving domain of financial technology, the detection of illicit transactions within blockchain networks remains a critical challenge, necessitating robust and innovative solutions. This work proposes a novel approach by…

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…

Machine Learning · Computer Science 2025-10-08 Sheng Xiang , Yidong Jiang , Yunting Chen , Dawei Cheng , Guoping Zhao , Changjun Jiang

Graph Neural Networks (GNNs) are recognized as potent tools for processing real-world data organized in graph structures. Especially inductive GNNs, which allow for the processing of graph-structured data without relying on predefined graph…

Machine Learning · Computer Science 2024-11-21 Marcin Podhajski , Jan Dubiński , Franziska Boenisch , Adam Dziedzic , Agnieszka Pregowska , Tomasz P. Michalak

Fraud detection is crucial in social service networks to maintain user trust and improve service network security. Existing spectral graph-based methods address this challenge by leveraging different graph filters to capture signals with…

Machine Learning · Computer Science 2025-05-05 Wenxin Zhang , Ding Xu , Xi Xuan , Lei Jiang , Guangzhen Yao , Renda Han , Xiangxiang Lang , Cuicui Luo

This paper presents a novel approach to credit risk prediction by employing Graph Convolutional Neural Networks (GCNNs) to assess the creditworthiness of borrowers. Leveraging the power of big data and artificial intelligence, the proposed…

Machine Learning · Computer Science 2024-10-08 Mengfang Sun , Wenying Sun , Ying Sun , Shaobo Liu , Mohan Jiang , Zhen Xu

Graph Neural Networks (GNNs) have achieved promising results in tasks such as node classification and graph classification. However, recent studies reveal that GNNs are vulnerable to backdoor attacks, posing a significant threat to their…

Machine Learning · Computer Science 2025-03-13 Zhiwei Zhang , Minhua Lin , Junjie Xu , Zongyu Wu , Enyan Dai , Suhang Wang

Graph anomaly detection technology has broad applications in financial fraud and risk control. However, existing graph anomaly detection methods often face significant challenges when dealing with complex and variable abnormal patterns, as…

Machine Learning · Computer Science 2025-12-30 Qingyue Cao , Bo Jin , Changwei Gong , Xin Tong , Wenzheng Li , Xiaodong Zhou

Graphs are used widely to model complex systems, and detecting anomalies in a graph is an important task in the analysis of complex systems. Graph anomalies are patterns in a graph that do not conform to normal patterns expected of the…

Machine Learning · Computer Science 2022-10-05 Hwan Kim , Byung Suk Lee , Won-Yong Shin , Sungsu Lim

Financial fraud is always a major problem in the field of finance, as it can cause significant consequences. As a result, many approaches have been designed to detect it, and lately Graph Neural Networks (GNNs) have been demonstrated as a…

Machine Learning · Computer Science 2026-01-13 Hoang Hiep Trieu

Financial fraud detection is critical for maintaining the integrity of financial systems, particularly in decentralised environments such as cryptocurrency networks. Although Graph Convolutional Networks (GCNs) are widely used for financial…

Machine Learning · Computer Science 2025-11-04 Omkar Kulkarni , Rohitash Chandra

Graph neural networks (GNNs) have attracted considerable attention due to their diverse applications. However, the scarcity and quality limitations of graph data present challenges to their training process in practical settings. To…

Machine Learning · Computer Science 2024-11-07 Hanyang Yuan , Jiarong Xu , Renhong Huang , Mingli Song , Chunping Wang , Yang Yang

Anti-money laundering (AML) systems are important for protecting the global economy. However, conventional rule-based methods rely on domain knowledge, leading to suboptimal accuracy and a lack of scalability. Graph neural networks (GNNs)…

Machine Learning · Computer Science 2026-03-26 Chung-Hoo Poon , James Kwok , Calvin Chow , Jang-Hyeon Choi

The last few years have seen an increasing wave of attacks with serious economic and privacy damages, which evinces the need for accurate Network Intrusion Detection Systems (NIDS). Recent works propose the use of Machine Learning (ML)…

Cryptography and Security · Computer Science 2021-08-02 David Pujol-Perich , José Suárez-Varela , Albert Cabellos-Aparicio , Pere Barlet-Ros

Payment card fraud causes multibillion dollar losses for banks and merchants worldwide, often fueling complex criminal activities. To address this, many real-time fraud detection systems use tree-based models, demanding complex feature…

Machine Learning · Computer Science 2020-06-18 Bernardo Branco , Pedro Abreu , Ana Sofia Gomes , Mariana S. C. Almeida , João Tiago Ascensão , Pedro Bizarro

Graph neural networks (GNNs) excel in graph representation learning by integrating graph structure and node features. Existing GNNs, unfortunately, fail to account for the uncertainty of class probabilities that vary with the depth of the…

Machine Learning · Computer Science 2025-06-17 Qingfeng Chen , Shiyuan Li , Yixin Liu , Shirui Pan , Geoffrey I. Webb , Shichao Zhang

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