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Graph Neural Networks (GNNs) have shown tremendous strides in performance for graph-structured problems especially in the domains of natural language processing, computer vision and recommender systems. Inspired by the success of the…

Machine Learning · Computer Science 2022-06-08 Kaustubh D. Dhole , Carl Yang

Credit card fraud imposes significant costs on both cardholders and issuing banks. Fraudsters often disguise their crimes, such as using legitimate transactions through several benign users to bypass anti-fraud detection. Existing graph…

Machine Learning · Computer Science 2025-03-04 Yao Zou , Dawei Cheng

Nowadays, Graph Fraud Detection (GFD) in financial scenarios has become an urgent research topic to protect online payment security. However, as organized crime groups are becoming more professional in real-world scenarios, fraudsters are…

Machine Learning · Computer Science 2025-12-23 Jie Yang , Rui Zhang , Ziyang Cheng , Dawei Cheng , Guang Yang , Bo Wang

The early research report explores the possibility of using Graph Neural Networks (GNNs) for anomaly detection in internet traffic data enriched with information. While recent studies have made significant progress in using GNNs for anomaly…

Social and Information Networks · Computer Science 2024-05-24 Anasuya Chattopadhyay , Daniel Reti , Hans D. Schotten

Ensuring the security of cloud environments is imperative for sustaining organizational growth and operational efficiency. As the ubiquity of cloud services continues to rise, the inevitability of cyber threats underscores the importance of…

Networking and Internet Architecture · Computer Science 2024-09-20 Revital Marbel , Yanir Cohen , Ran Dubin , Amit Dvir , Chen Hajaj

Enterprise credit assessment is critical for evaluating financial risk, and Graph Neural Networks (GNNs), with their advanced capability to model inter-entity relationships, are a natural tool to get a deeper understanding of these…

Machine Learning · Computer Science 2024-07-17 Shaopeng Wei , Beni Egressy , Xingyan Chen , Yu Zhao , Fuzhen Zhuang , Roger Wattenhofer , Gang Kou

Malware detection in modern computing environments demands models that are not only accurate but also interpretable and robust to evasive techniques. Graph neural networks (GNNs) have shown promise in this domain by modeling rich structural…

Cryptography and Security · Computer Science 2026-05-26 Hossein Shokouhinejad , Roozbeh Razavi-Far , Griffin Higgins , Ali A Ghorbani

Detecting anomalies in data is a vital task, with numerous high-impact applications in areas such as security, finance, health care, and law enforcement. While numerous techniques have been developed in past years for spotting outliers and…

Social and Information Networks · Computer Science 2014-04-29 Leman Akoglu , Hanghang Tong , Danai Koutra

Graph neural networks (GNNs) have recently gained much attention for node and graph classification tasks on graph-structured data. However, multiple recent works showed that an attacker can easily make GNNs predict incorrectly via…

Cryptography and Security · Computer Science 2021-07-19 Binghui Wang , Jinyuan Jia , Xiaoyu Cao , Neil Zhenqiang Gong

Graph Neural Networks (GNNs) have led to state-of-the-art performance on a variety of machine learning tasks such as recommendation, node classification and link prediction. Graph neural network models generate node embeddings by merging…

Machine Learning · Computer Science 2020-11-04 Yunpeng Weng , Xu Chen , Liang Chen , Wei Liu

Graph-based anomaly detection is pivotal in diverse security applications, such as fraud detection in transaction networks and intrusion detection for network traffic. Standard approaches, including Graph Neural Networks (GNNs), often…

Cryptography and Security · Computer Science 2024-10-14 Andy Zhou , Xiaojun Xu , Ramesh Raghunathan , Alok Lal , Xinze Guan , Bin Yu , Bo Li

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…

Machine Learning · Computer Science 2025-11-10 Feng Xia , Ciyuan Peng , Jing Ren , Falih Gozi Febrinanto , Renqiang Luo , Vidya Saikrishna , Shuo Yu , Xiangjie Kong

Money laundering is the process where criminals use financial services to move massive amounts of illegal money to untraceable destinations and integrate them into legitimate financial systems. It is very crucial to identify such activities…

Artificial Intelligence · Computer Science 2023-02-27 Md. Rezaul Karim , Felix Hermsen , Sisay Adugna Chala , Paola de Perthuis , Avikarsha Mandal

Graph Neural Networks (GNNs) have become indispensable tools for learning from graph structured data, catering to various applications such as social network analysis and fraud detection for financial services. At the heart of these…

Cryptography and Security · Computer Science 2025-06-02 Zeyu Song , Ehsanul Kabir , Shagufta Mehnaz

In this paper, we propose a novel hybrid deep learning architecture that synergistically combines Graph Neural Networks (GNNs), Recurrent Neural Networks (RNNs), and multi-head attention mechanisms to significantly enhance cybersecurity…

Cryptography and Security · Computer Science 2025-10-31 Jayant Biradar , Smit Shah , Tanmay Naik

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…

Artificial Intelligence · Computer Science 2021-08-24 Pooja Tiwari , Simran Mehta , Nishtha Sakhuja , Jitendra Kumar , Ashutosh Kumar Singh

Graph fraud detection has long depended on Graph Neural Networks (GNNs) to propagate and aggregate information across relational data. A critical obstacle in practice, however, is that fraudsters frequently disguise themselves by forging…

Artificial Intelligence · Computer Science 2026-05-26 Jinsheng Guo , Zhenhao Weng , Yibo Liu , Yan Qiao , Meng Li

Early detection of faults is of importance to avoid catastrophic accidents and ensure safe operation of machinery. A novel graph neural network-based fault detection method is proposed to build a bridge between AI and real-world running…

Machine Learning · Computer Science 2022-04-26 Xusheng Du , Jiong Yu

With increasing concerns about privacy attacks and potential sensitive information leakage, researchers have actively explored methods to efficiently remove sensitive training data and reduce privacy risks in graph neural network (GNN)…

Machine Learning · Computer Science 2025-09-08 Faqian Guan , Tianqing Zhu , Zhoutian Wang , Wei Ren , Wanlei Zhou

Recommender systems aim to provide personalized services to users and are playing an increasingly important role in our daily lives. The key of recommender systems is to predict how likely users will interact with items based on their…

Information Retrieval · Computer Science 2022-04-26 Wenqi Fan , Xiaorui Liu , Wei Jin , Xiangyu Zhao , Jiliang Tang , Qing Li