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In recent years, financial fraud detection systems have become very efficient at detecting fraud, which is a major threat faced by e-commerce platforms. Such systems often include machine learning-based algorithms aimed at detecting and…

密码学与安全 · 计算机科学 2023-12-05 Chen Doytshman , Satoru Momiyama , Inderjeet Singh , Yuval Elovici , Asaf Shabtai

eCommerce transaction frauds keep changing rapidly. This is the major issue that prevents eCommerce merchants having a robust machine learning model for fraudulent transactions detection. The root cause of this problem is that rapid…

应用统计 · 统计学 2018-10-11 Huiying Mao , Yung-wen Liu , Yuting Jia , Jay Nanduri

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…

机器学习 · 计算机科学 2022-05-11 Tuan Tran

Accounting fraud is a global concern representing a significant threat to the financial system stability due to the resulting diminishing of the market confidence and trust of regulatory authorities. Several tricks can be used to commit…

机器学习 · 统计学 2018-05-09 Maria Jofre , Richard Gerlach

Graph learning has rapidly evolved into a critical subfield of machine learning and artificial intelligence (AI). Its development began with early graph-theoretic methods, gaining significant momentum with the advent of graph neural…

机器学习 · 计算机科学 2025-11-10 Feng Xia , Ciyuan Peng , Jing Ren , Falih Gozi Febrinanto , Renqiang Luo , Vidya Saikrishna , Shuo Yu , Xiangjie Kong

Graphs are essential representations of many real-world data such as social networks. Recent years have witnessed the increasing efforts made to extend the neural network models to graph-structured data. These methods, which are usually…

机器学习 · 计算机科学 2018-11-07 Yao Ma , Ziyi Guo , Zhaochun Ren , Eric Zhao , Jiliang Tang , Dawei Yin

The rise of digital ecosystems has exposed the financial sector to evolving abuse and criminal tactics that share operational knowledge and techniques both within and across different environments (fiat-based, crypto-assets, etc.).…

机器学习 · 计算机科学 2025-09-17 Francesco Zola , Jon Ander Medina , Andrea Venturi , Amaia Gil , Raul Orduna

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

Although significant effort has been applied to fact-checking, the prevalence of fake news over social media, which has profound impact on justice, public trust and our society, remains a serious problem. In this work, we focus on…

社会与信息网络 · 计算机科学 2020-08-17 Yi Han , Shanika Karunasekera , Christopher Leckie

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…

机器学习 · 计算机科学 2025-03-13 Zhiwei Zhang , Minhua Lin , Junjie Xu , Zongyu Wu , Enyan Dai , Suhang Wang

With the booming growth of e-commerce, detecting financial fraud has become an urgent task to avoid transaction risks. Despite the successful applications of Graph Neural Networks (GNNs) in fraud detection, the existing solutions are only…

计算工程、金融与科学 · 计算机科学 2022-05-24 Yujie Li , Yuxuan Yang , Xin Yang , Qiang Gao , Fan Zhou

Medical insurance claims are of organized crimes related to patients, physicians, diagnostic centers, and insurance providers, forming a chain reaction that must be monitored constantly. These kinds of frauds affect the financial growth of…

机器学习 · 计算机科学 2023-08-15 Jayanthi Vajiram , Negha Senthil , Nean Adhith. P

This study explores the use of Generative Adversarial Networks (GANs) to detect AI deepfakes and fraudulent activities in online payment systems. With the growing prevalence of deepfake technology, which can manipulate facial features in…

机器学习 · 计算机科学 2026-01-01 Zong Ke , Shicheng Zhou , Yining Zhou , Chia Hong Chang , Rong Zhang

Graph-structured data are pervasive in the real-world such as social networks, molecular graphs and transaction networks. Graph neural networks (GNNs) have achieved great success in representation learning on graphs, facilitating various…

机器学习 · 计算机科学 2025-02-27 Zhimeng Guo , Teng Xiao , Zongyu Wu , Charu Aggarwal , Hui Liu , Suhang Wang

Rapid and massive adoption of mobile/ online payment services has brought new challenges to the service providers as well as regulators in safeguarding the proper uses such services/ systems. In this paper, we leverage recent advances in…

社会与信息网络 · 计算机科学 2019-06-14 Da Sun Handason Tam , Wing Cheong Lau , Bin Hu , Qiu Fang Ying , Dah Ming Chiu , Hong Liu

As online fraud becomes more sophisticated and pervasive, traditional fraud detection methods are struggling to keep pace with the evolving tactics employed by fraudsters. This paper explores the transformative role of machine learning in…

机器学习 · 计算机科学 2024-10-29 Md Kamrul Hasan Chy

In this paper, we focus on fraud detection on a signed graph with only a small set of labeled training data. We propose a novel framework that combines deep neural networks and spectral graph analysis. In particular, we use the node…

密码学与安全 · 计算机科学 2017-06-06 Shuhan Yuan , Xintao Wu , Jun Li , Aidong Lu

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…

机器学习 · 计算机科学 2022-08-25 Mingxuan Lu , Zhichao Han , Susie Xi Rao , Zitao Zhang , Yang Zhao , Yinan Shan , Ramesh Raghunathan , Ce Zhang , Jiawei Jiang

The extensive use of the internet is continuously drifting businesses to incorporate their services in the online environment. One of the first spectrums to embrace this evolution was the banking sector. In fact, the first known online…

机器学习 · 计算机科学 2020-09-15 Arianit Mehana , Krenare Pireva Nuci

The automatic detection of frauds in banking transactions has been recently studied as a way to help the analysts finding fraudulent operations. Due to the availability of a human feedback, this task has been studied in the framework of…

机器学习 · 计算机科学 2020-04-24 Christelle Marfaing , Alexandre Garcia