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Computer vision algorithms are being implemented across a breadth of industries to enable technological innovations. In this paper, we study the problem of computer vision based customer tracking in retail industry. To this end, we…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Aibek Musaev , Jiangping Wang , Liang Zhu , Cheng Li , Yi Chen , Jialin Liu , Wanqi Zhang , Juan Mei , De Wang

With online payment platforms being ubiquitous and important, fraud transaction detection has become the key for such platforms, to ensure user account safety and platform security. In this work, we present a novel method for detecting…

Machine Learning · Computer Science 2020-03-30 Longfei Li , Ziqi Liu , Chaochao Chen , Ya-Lin Zhang , Jun Zhou , Xiaolong Li

Detecting fraudulent activities in financial and e-commerce transaction networks is crucial. One effective method for this is Densest Subgraph Discovery (DSD). However, deploying DSD methods in production systems faces substantial…

Databases · Computer Science 2025-04-15 Jiaxin Jiang , Siyuan Yao , Yuchen Li , Qiange Wang , Bingsheng He , Min Chen

Credit card fraud is a problem continuously faced by financial institutions and their customers, which is mitigated by fraud detection systems. However, these systems require the use of sensitive customer transaction data, which introduces…

Cryptography and Security · Computer Science 2022-11-15 David Nugent

Circular trading is a form of tax evasion in Goods and Services Tax where a group of fraudulent taxpayers (traders) aims to mask illegal transactions by superimposing several fictitious transactions (where no value is added to the goods or…

Machine Learning · Computer Science 2022-08-17 Priya Mehta , Sanat Bhargava , M. Ravi Kumar , K. Sandeep Kumar , Ch. Sobhan Babu

The increasing accessibility of data provides substantial opportunities for understanding user behaviors. Unearthing anomalies in user behaviors is of particular importance as it helps signal harmful incidents such as network intrusions,…

Human-Computer Interaction · Computer Science 2019-05-22 Yang Shi , Yuyin Liu , Hanghang Tong , Jingrui He , Gang Yan , Nan Cao

This paper proposes a novel visual model for web applications security monitoring. Although an automated intrusion detection system can shield a web application from common attacks, it usually cannot detect more complicated break-ins. So, a…

Cryptography and Security · Computer Science 2019-04-09 Tran Tri Dang , Tran Khanh Dang

Fraud detection presents a challenging task characterized by ever-evolving fraud patterns and scarce labeled data. Existing methods predominantly rely on graph-based or sequence-based approaches. While graph-based approaches connect users…

Machine Learning · Computer Science 2024-08-02 Fei Xiao , Shaofeng Cai , Gang Chen , H. V. Jagadish , Beng Chin Ooi , Meihui Zhang

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…

Cryptography and Security · Computer Science 2015-11-27 J. West , Maumita Bhattacharya

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…

Artificial Intelligence · Computer Science 2017-10-30 Roy Wedge , James Max Kanter , Santiago Moral Rubio , Sergio Iglesias Perez , Kalyan Veeramachaneni

Phishing attacks pose a significant threat to Internet users, with cybercriminals elaborately replicating the visual appearance of legitimate websites to deceive victims. Visual similarity-based detection systems have emerged as an…

Cryptography and Security · Computer Science 2025-01-31 Fujiao Ji , Kiho Lee , Hyungjoon Koo , Wenhao You , Euijin Choo , Hyoungshick Kim , Doowon Kim

Data quality assessment process is essential to ensure reliable analytical outcomes. This process depends on human supervision-driven approaches since it is impossible to determine a defect based only on data. Visualization systems belong…

Databases · Computer Science 2018-09-27 João Marcelo Borovina Josko , João Eduardo Ferreira

This paper presents a method to simulate the thermal behavior of 3D systems using a graph neural network. The method discussed achieves a significant speed-up with respect to a traditional finite-element simulation. The graph neural network…

Computational Engineering, Finance, and Science · Computer Science 2022-09-29 Helios Sanchis-Alepuz , Monika Stipsitz

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…

Machine Learning · Computer Science 2026-01-01 Zong Ke , Shicheng Zhou , Yining Zhou , Chia Hong Chang , Rong Zhang

Fraud detection is essential in financial services, with the potential of greatly reducing criminal activities and saving considerable resources for businesses and customers. We address online fraud detection, which consists of classifying…

Machine Learning · Computer Science 2020-02-17 David Aparício , Ricardo Barata , João Bravo , João Tiago Ascensão , Pedro Bizarro

Graph-based patterns are extensively employed and favored by practitioners within industrial companies due to their capacity to represent the behavioral attributes and topological relationships among users, thereby offering enhanced…

Machine Learning · Computer Science 2024-11-12 Sheng Tian , Xintan Zeng , Yifei Hu , Baokun Wang , Yongchao Liu , Yue Jin , Changhua Meng , Chuntao Hong , Tianyi Zhang , Weiqiang Wang

In today's world, with the rise of numerous social platforms, it has become relatively easy for anyone to spread false information and lure people into traps. Fraudulent schemes and traps are growing rapidly in the investment world. Due to…

Artificial Intelligence · Computer Science 2023-08-23 Prabh Simran Singh Baweja , Orathai Sangpetch , Akkarit Sangpetch

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…

Social and Information Networks · Computer Science 2020-03-05 Daixin Wang , Jianbin Lin , Peng Cui , Quanhui Jia , Zhen Wang , Yanming Fang , Quan Yu , Jun Zhou , Shuang Yang , Yuan Qi

High-quality data is a prerequisite for training reliable Artificial Intelligence (AI) models in the energy domain. In district heating networks, sensor and metering data often suffer from noise, missing values, and temporal…

Machine Learning · Computer Science 2025-10-02 Kristoffer Christensen , Bo Nørregaard Jørgensen , Zheng Grace Ma

Fraud detection is one of the most important challenges that financial systems must address. Detecting fraudulent transactions is critical for payment gateway companies like Flow Payment, which process millions of transactions monthly and…

Neural and Evolutionary Computing · Computer Science 2025-07-15 Kevin Reyes , Vasco Cortez
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