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相关论文: GraphFC: Customs Fraud Detection with Label Scarci…

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In the era of big data, we are often facing the challenge of data heterogeneity and the lack of label information simultaneously. In the financial domain (e.g., fraud detection), the heterogeneous data may include not only numerical data…

机器学习 · 计算机科学 2023-02-14 Lecheng Zheng , Yada Zhu , Jingrui He

Various problems of any credit card fraud detection based on machine learning come from the imbalanced aspect of transaction datasets. Indeed, the number of frauds compared to the number of regular transactions is tiny and has been shown to…

机器学习 · 计算机科学 2022-06-28 François de la Bourdonnaye , Fabrice Daniel

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…

机器学习 · 计算机科学 2020-11-09 Yuxiang Ren , Hao Zhu , Jiawei Zhang , Peng Dai , Liefeng Bo

Multi-label networks with branches are proved to perform well in both accuracy and speed, but lacks flexibility in providing dynamic extension onto new labels due to the low efficiency of re-work on annotating and training. For multi-label…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Chunhua Jia , Lei Zhang , Hui Huang , Weiwei Cai , Hao Hu , Rohan Adivarekar

Crowdsourcing has attracted much attention for its convenience to collect labels from non-expert workers instead of experts. However, due to the high level of noise from the non-experts, an aggregation model that learns the true label by…

机器学习 · 计算机科学 2021-05-14 Hanlu Wu , Tengfei Ma , Lingfei Wu , Shouling Ji

Unsupervised graph representation learning is critical to a wide range of applications where labels may be scarce or expensive to procure. Contrastive learning (CL) is an increasingly popular paradigm for such settings and the…

机器学习 · 计算机科学 2022-03-15 Puja Trivedi , Ekdeep Singh Lubana , Yujun Yan , Yaoqing Yang , Danai Koutra

Graph learning algorithms have attained state-of-the-art performance on many graph analysis tasks such as node classification, link prediction, and clustering. It has, however, become hard to track the field's burgeoning progress. One…

机器学习 · 计算机科学 2022-04-05 Anton Tsitsulin , Benedek Rozemberczki , John Palowitch , Bryan Perozzi

The credit card has become the most popular payment method for both online and offline transactions. The necessity to create a fraud detection algorithm to precisely identify and stop fraudulent activity arises as a result of both the…

人工智能 · 计算机科学 2023-03-14 AlsharifHasan Mohamad Aburbeian , Huthaifa I. Ashqar

Detecting anomalous trajectories in decentralized crypto networks is fundamentally challenged by extreme label scarcity and the adaptive evasion strategies of illicit actors. While Graph Neural Networks (GNNs) effectively capture local…

机器学习 · 计算机科学 2026-01-21 Gyuyeon Na , Minjung Park , Soyoun Kim , Jungbin Shin , Sangmi Chai

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

Graph Neural Networks (GNNs) have recently gained traction in transportation, bioinformatics, language and image processing, but research on their application to supply chain management remains limited. Supply chains are inherently…

机器学习 · 计算机科学 2025-06-24 Azmine Toushik Wasi , MD Shafikul Islam , Adipto Raihan Akib , Mahathir Mohammad Bappy

Graph Neural Networks (GNNs) are widely used as the engine for various graph-related tasks, with their effectiveness in analyzing graph-structured data. However, training robust GNNs often demands abundant labeled data, which is a critical…

机器学习 · 计算机科学 2025-09-16 Siyue Xie , Da Sun Handason Tam , Wing Cheong Lau

Money laundering is a critical global issue for financial institutions. Automated Anti-money laundering (AML) models, like Graph Neural Networks (GNN), can be trained to identify illicit transactions in real time. A major issue for…

机器学习 · 计算机科学 2025-09-24 Rachel Chung , Pratyush Nidhi Sharma , Mikko Siponen , Rohit Vadodaria , Luke Smith

In contrast to previous surveys, the present work is not focused on reviewing the datasets used in the network security field. The fact is that many of the available public labeled datasets represent the network behavior just for a…

密码学与安全 · 计算机科学 2022-01-03 Jorge Guerra , Carlos Catania , Eduardo Veas

The landscape of financial transactions has grown increasingly complex due to the expansion of global economic integration and advancements in information technology. This complexity poses greater challenges in detecting and managing…

统计金融 · 定量金融 2025-10-09 Dawei Cheng , Yao Zou , Sheng Xiang , Changjun Jiang

Malware is a significant threat to the security of computer systems and networks which requires sophisticated techniques to analyze the behavior and functionality for detection. Traditional signature-based malware detection methods have…

密码学与安全 · 计算机科学 2023-06-22 Shaswata Mitra , Stephen A. Torri , Sudip Mittal

Research on localization and perception for Autonomous Driving is mainly focused on camera and LiDAR datasets, rarely on radar data. Manually labeling sparse radar point clouds is challenging. For a dataset generation, we propose the cross…

机器人学 · 计算机科学 2020-12-04 Simon T. Isele , Marcel P. Schilling , Fabian E. Klein , Sascha Saralajew , J. Marius Zoellner

Real-world graphs can be difficult to interpret and visualize beyond a certain size. To address this issue, graph summarization aims to simplify and shrink a graph, while maintaining its high-level structure and characteristics. Most…

社会与信息网络 · 计算机科学 2022-06-16 Dimitris Berberidis , Pierre J. Liang , Leman Akoglu

There have been tremendous efforts over the past decades dedicated to the generation of realistic graphs in a variety of domains, ranging from social networks to computer networks, from gene regulatory networks to online transaction…

机器学习 · 计算机科学 2023-12-19 Lecheng Zheng , Dawei Zhou , Hanghang Tong , Jiejun Xu , Yada Zhu , Jingrui He

How to obtain informative representations of transactions and then perform the identification of fraudulent transactions is a crucial part of ensuring financial security. Recent studies apply Graph Neural Networks (GNNs) to the transaction…

机器学习 · 计算机科学 2023-07-12 Yue Tian , Guanjun Liu