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The rise of digital payments has accelerated the need for intelligent and scalable systems to detect fraud. This research presents an end-to-end, feature-rich machine learning framework for detecting credit card transaction anomalies and…

The recent decade witnessed a surge of increase in financial crimes across the public and private sectors, with an average cost of scams of $102m to financial institutions in 2022. Developing a mechanism for battling financial crimes is an…

机器学习 · 计算机科学 2023-04-20 Haobo Zhang , Junyuan Hong , Fan Dong , Steve Drew , Liangjie Xue , Jiayu Zhou

The rapid growth of e-commerce has made people accustomed to shopping online. Before making purchases on e-commerce websites, most consumers tend to rely on rating scores and review information to make purchase decisions. With this…

信息检索 · 计算机科学 2020-07-07 Yingqiang Ge , Shuyuan Xu , Shuchang Liu , Zuohui Fu , Fei Sun , Yongfeng Zhang

Applications of blockchain technologies got a lot of attention in recent years. They exceed beyond exchanging value and being a substitute for fiat money and traditional banking system. Nevertheless, being able to exchange value on a…

密码学与安全 · 计算机科学 2019-08-22 Michal Ostapowicz , Kamil Żbikowski

One of the main goals of financial institutions (FIs) today is combating fraud and financial crime. To this end, FIs use sophisticated machine-learning models trained using data collected from their customers. The output of machine learning…

Federated learning (FL) systems are susceptible to attacks from malicious actors who might attempt to corrupt the training model through various poisoning attacks. FL also poses new challenges in addressing group bias, such as ensuring fair…

机器学习 · 计算机科学 2023-06-08 Viktor Valadi , Xinchi Qiu , Pedro Porto Buarque de Gusmão , Nicholas D. Lane , Mina Alibeigi

Financial statement fraud detection is an important problem with a number of design aspects to consider. Issues such as (i) problem representation, (ii) feature selection, and (iii) choice of performance metrics all influence the perceived…

密码学与安全 · 计算机科学 2015-11-27 J. West , Maumita Bhattacharya

Card transaction fraud is a growing problem affecting card holders worldwide. Financial institutions increasingly rely upon data-driven methods for developing fraud detection systems, which are able to automatically detect and block…

应用统计 · 统计学 2020-05-07 Sebastiaan Höppner , Bart Baesens , Wouter Verbeke , Tim Verdonck

We demonstrate the use of Adaptive Stress Testing to detect and address potential vulnerabilities in a financial environment. We develop a simplified model for credit card fraud detection that utilizes a linear regression classifier based…

人工智能 · 计算机科学 2021-07-09 Khalid El-Awady

In this paper, we present an automated feature engineering based approach to dramatically reduce false positives in fraud prediction. False positives plague the fraud prediction industry. It is estimated that only 1 in 5 declared as fraud…

The success of deep learning in recent years have led to a significant increase in interest and prevalence for its adoption to tackle financial services tasks. One particular question that often arises as a barrier to adopting deep learning…

机器学习 · 计算机科学 2020-11-05 Alexander Wong , Andrew Hryniowski , Xiao Yu Wang

Federated learning is a promising collaborative and privacy-preserving machine learning approach in data-rich smart cities. Nevertheless, the inherent heterogeneity of these urban environments presents a significant challenge in selecting…

计算机科学与博弈论 · 计算机科学 2024-05-02 Osama Wehbi , Sarhad Arisdakessian , Mohsen Guizani , Omar Abdel Wahab , Azzam Mourad , Hadi Otrok , Hoda Al khzaimi , Bassem Ouni

In the age of digital finance, detecting fraudulent transactions and money laundering is critical for financial institutions. This paper presents a scalable and efficient solution using Big Data tools and machine learning models. We utilize…

分布式、并行与集群计算 · 计算机科学 2025-06-04 Chen Liu , Hengyu Tang , Zhixiao Yang , Ke Zhou , Sangwhan Cha

Can machine learning models for recommendation be easily fooled? While the question has been answered for hand-engineered fake user profiles, it has not been explored for machine learned adversarial attacks. This paper attempts to close…

信息检索 · 计算机科学 2018-09-25 Konstantina Christakopoulou , Arindam Banerjee

Fraud detection is to identify, monitor, and prevent potentially fraudulent activities from complex data. The recent development and success in AI, especially machine learning, provides a new data-driven way to deal with fraud. From a…

机器学习 · 统计学 2023-05-19 Biao Xu , Yao Wang , Xiuwu Liao , Kaidong Wang

Credit card fraud has emerged as major problem in the electronic payment sector. In this survey, we study data-driven credit card fraud detection particularities and several machine learning methods to address each of its intricate…

机器学习 · 计算机科学 2020-10-14 Yvan Lucas , Johannes Jurgovsky

As e-commerce platforms develop, fraudulent activities are increasingly emerging, posing significant threats to the security and stability of these platforms. Promotion abuse is one of the fastest-growing types of fraud in recent years and…

密码学与安全 · 计算机科学 2025-10-15 Shaofei Li , Xiao Han , Ziqi Zhang , Minyao Hua , Shuli Gao , Zhenkai Liang , Yao Guo , Xiangqun Chen , Ding Li

Social reviews have dominated the web and become a plausible source of product information. People and businesses use such information for decision-making. Businesses also make use of social information to spread fake information using a…

机器学习 · 计算机科学 2023-01-05 Saeedreza Shehnepoor , Roberto Togneri , Wei Liu , Mohammed Bennamoun

Financial forensics has an important role in the field of finance to detect and investigate the occurrence of finance related crimes like money laundering. However, as with other forms of criminal activities, the forensics analysis of such…

密码学与安全 · 计算机科学 2023-03-10 Jonathan Pan

As the world is rapidly moving towards digitization and money transactions are becoming cashless, the use of credit cards has rapidly increased. The fraud activities associated with it have also been increasing which leads to a huge loss to…

人工智能 · 计算机科学 2021-08-24 Pooja Tiwari , Simran Mehta , Nishtha Sakhuja , Jitendra Kumar , Ashutosh Kumar Singh