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Fraudulent claim detection is one of the greatest challenges the insurance industry faces. Alibaba's return-freight insurance, providing return-shipping postage compensations over product return on the e-commerce platform, receives…

Cryptography and Security · Computer Science 2020-03-02 Chen Liang , Ziqi Liu , Bin Liu , Jun Zhou , Xiaolong Li , Shuang Yang , Yuan Qi

Fraud detection is extremely critical for e-commerce business. It is the intent of the companies to detect and prevent fraud as early as possible. Existing fraud detection methods try to identify unexpected dense subgraphs and treat related…

Machine Learning · Computer Science 2020-11-09 Yuxiang Ren , Hao Zhu , Jiawei Zhang , Peng Dai , Liefeng Bo

Fraud causes substantial costs and losses for companies and clients in the finance and insurance industries. Examples are fraudulent credit card transactions or fraudulent claims. It has been estimated that roughly $10$ percent of the…

Machine Learning · Computer Science 2019-10-09 I. Fursov , A. Zaytsev , R. Khasyanov , M. Spindler , E. Burnaev

The article proposes an expert system for detection, and subsequent investigation, of groups of collaborating automobile insurance fraudsters. The system is described and examined in great detail, several technical difficulties in detecting…

Artificial Intelligence · Computer Science 2011-04-21 Lovro Šubelj , Štefan Furlan , Marko Bajec

Collaborative fraud, where multiple fraudulent accounts coordinate to exploit online payment systems, poses significant challenges due to the formation of complex network structures. Traditional detection methods that rely solely on…

Machine Learning · Computer Science 2025-12-23 Chi Liu

Frauds severely hurt many kinds of Internet businesses. Group-based fraud detection is a popular methodology to catch fraudsters who unavoidably exhibit synchronized behaviors. We combine both graph-based features (e.g. cluster density) and…

Cryptography and Security · Computer Science 2018-06-26 Yikun Ban , Xin Liu , Tianyi Zhang , Ling Huang , Yitao Duan , Xue Liu , Wei Xu

Insurance fraud occurs when policyholders file claims that are exaggerated or based on intentional damages. This contribution develops a fraud detection strategy by extracting insightful information from the social network of a claim.…

Social and Information Networks · Computer Science 2020-09-18 María Óskarsdóttir , Waqas Ahmed , Katrien Antonio , Bart Baesens , Rémi Dendievel , Tom Donas , Tom Reynkens

Real-time fraud detection is a challenge for most financial and electronic commercial platforms. To identify fraudulent communities, Grab, one of the largest technology companies in Southeast Asia, forms a graph from a set of transactions…

Databases · Computer Science 2022-11-15 Jiaxin Jiang , Yuan Li , Bingsheng He , Bryan Hooi , Jia Chen , Johan Kok Zhi Kang

With the rapid growth of e-commerce, online payment fraud has become increasingly complex, posing serious threats to financial security and consumer trust. Traditional detection methods often struggle to capture the intricate relational…

Computational Engineering, Finance, and Science · Computer Science 2025-09-15 RuiHan Luo , Nanxi Wang , Xiaotong Zhu

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

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…

Social and Information Networks · Computer Science 2019-06-14 Da Sun Handason Tam , Wing Cheong Lau , Bin Hu , Qiu Fang Ying , Dah Ming Chiu , Hong Liu

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…

Machine Learning · Computer Science 2025-12-16 Yuxin Dong , Jianhua Yao , Jiajing Wang , Yingbin Liang , Shuhan Liao , Minheng Xiao

In e-commerce industry, graph neural network methods are the new trends for transaction risk modeling.The power of graph algorithms lie in the capability to catch transaction linking network information, which is very hard to be captured by…

Machine Learning · Computer Science 2022-10-14 Hang Yin , Zitao Zhang , Zhurong Wang , Yilmazcan Ozyurt , Weiming Liang , Wenyu Dong , Yang Zhao , Yinan Shan

As the availability of financial services online continues to grow, the incidence of fraud has surged correspondingly. Fraudsters continually seek new and innovative ways to circumvent the detection algorithms in place. Traditionally, fraud…

Machine Learning · Computer Science 2024-11-25 Prashank Kadam

The digital revolution has significantly impacted financial transactions, leading to a notable increase in credit card usage. However, this convenience comes with a trade-off: a substantial rise in fraudulent activities. Traditional machine…

Credit card fraud is a major issue nowadays, costing huge money and affecting trust in financial systems. Traditional fraud detection methods often fail to detect advanced and growing fraud techniques. This study focuses on using Graph…

Cryptography and Security · Computer Science 2025-04-01 Irin Sultana , Syed Mustavi Maheen , Naresh Kshetri , Md Nasim Fardous Zim

This study investigates fraud detection in ride hailing platforms through Graph Neural Networks (GNNs),focusing on the effectiveness of various models. By analyzing prevalent fraudulent activities, the research highlights and compares the…

The rise of digital payments has caused consequential changes in the financial crime landscape. As a result, traditional fraud detection approaches such as rule-based systems have largely become ineffective. AI and machine learning…

Cryptography and Security · Computer Science 2021-03-05 E. Kurshan , H. Shen

Transaction checkout fraud detection is an essential risk control components for E-commerce marketplaces. In order to leverage graph networks to decrease fraud rate efficiently and guarantee the information flow passed through neighbors…

Machine Learning · Computer Science 2021-10-12 Mingxuan Lu , Zhichao Han , Zitao Zhang , Yang Zhao , Yinan Shan

Fraud detection aims to discover fraudsters deceiving other users by, for example, leaving fake reviews or making abnormal transactions. Graph-based fraud detection methods consider this task as a classification problem with two classes:…

Machine Learning · Computer Science 2024-01-04 Heehyeon Kim , Jinhyeok Choi , Joyce Jiyoung Whang
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