Financial fraud detection using graph neural networks: A systematic review

S Motie, B Raahemi - Expert Systems with Applications, 2024 - Elsevier
Financial fraud is a persistent problem in the finance industry that may have severe
consequences for individuals, businesses, and economies. Graph Neural Networks (GNNs) …

Addressing heterophily in graph anomaly detection: A perspective of graph spectrum

Y Gao, X Wang, X He, Z Liu, H Feng… - Proceedings of the ACM …, 2023 - dl.acm.org
Graph anomaly detection (GAD) suffers from heterophily—abnormal nodes are sparse so
that they are connected to vast normal nodes. The current solutions upon Graph Neural …

Deep anomaly detection on set data: Survey and comparison

M Mašková, M Zorek, T Pevný, V Šmídl - Pattern Recognition, 2024 - Elsevier
Detecting anomalous samples in set data is a problem attracting increased interest due to
novel modalities, such as point-cloud data produced by lidars. Novel methods including …

Diga: guided diffusion model for graph recovery in anti-money laundering

X Li, Y Li, X Mo, H Xiao, Y Shen, L Chen - Proceedings of the 29th ACM …, 2023 - dl.acm.org
With the upsurge of online banking, mobile payment, and virtual currency, new money-
laundering crimes easily conceal in the enormous transaction volume. The traditional rule …

Process-Oriented heterogeneous graph learning in GNN-Based ICS anomalous pattern recognition

L Shuaiyi, K Wang, L Zhang, B Wang - Pattern Recognition, 2023 - Elsevier
Over the past few years, massive penetrations targeting an Industrial Control System (ICS)
network intend to compromise its core industrial processes. So far, numerous advanced …

Graph autoencoder with mirror temporal convolutional networks for traffic anomaly detection

Z Ren, X Li, J Peng, K Chen, Q Tan, X Wu, C Shi - Scientific reports, 2024 - nature.com
Traffic time series anomaly detection has been intensively studied for years because of its
potential applications in intelligent transportation. However, classical traffic anomaly …

Anomaly detection module for network traffic monitoring in public institutions

Ł Wawrowski, A Białas, A Kajzer, A Kozłowski… - Sensors, 2023 - mdpi.com
It seems to be a truism to say that we should pay more and more attention to network traffic
safety. Such a goal may be achieved with many different approaches. In this paper, we put …

Graph-based time-series anomaly detection: A survey

TKK Ho, A Karami, N Armanfard - arXiv preprint arXiv:2302.00058, 2023 - arxiv.org
With the recent advances in technology, a wide range of systems continue to collect a large
amount of data over time and thus generate time series. Time-Series Anomaly Detection …

Anomaly traffic detection in IoT security using graph neural networks

M Gao, L Wu, Q Li, W Chen - Journal of Information Security and …, 2023 - Elsevier
The number of Internet of Things (IoT) devices is expanding quickly as IoT gradually spreads
to all aspects of life. At the same time, IoT devices have emerged as a new attack medium for …

Reinforcement neighborhood selection for unsupervised graph anomaly detection

Y Bei, S Zhou, Q Tan, H Xu, H Chen… - … Conference on Data …, 2023 - ieeexplore.ieee.org
Unsupervised graph anomaly detection is crucial for various practical applications as it aims
to identify anomalies in a graph that exhibit rare patterns deviating significantly from the …