Generative and contrastive self-supervised learning for graph anomaly detection

Y Zheng, M Jin, Y Liu, L Chi, KT Phan… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Anomaly detection from graph data has drawn much attention due to its practical
significance in many critical applications including cybersecurity, finance, and social …

Anemone: Graph anomaly detection with multi-scale contrastive learning

M Jin, Y Liu, Y Zheng, L Chi, YF Li, S Pan - Proceedings of the 30th ACM …, 2021 - dl.acm.org
Anomaly detection on graphs plays a significant role in various domains, including
cybersecurity, e-commerce, and financial fraud detection. However, existing methods on …

Dual-discriminative graph neural network for imbalanced graph-level anomaly detection

G Zhang, Z Yang, J Wu, J Yang, S Xue… - Advances in …, 2022 - proceedings.neurips.cc
Graph-level anomaly detection aims to distinguish anomalous graphs in a graph dataset
from normal graphs. Anomalous graphs represent a very few but essential patterns in the …

A synergistic approach for graph anomaly detection with pattern mining and feature learning

T Zhao, T Jiang, N Shah, M Jiang - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Detecting anomalies on graph data has two types of methods. One is pattern mining that
discovers strange structures globally such as quasi-cliques, bipartite cores, or dense blocks …

A comprehensive survey on graph anomaly detection with deep learning

X Ma, J Wu, S Xue, J Yang, C Zhou… - … on Knowledge and …, 2021 - ieeexplore.ieee.org
Anomalies are rare observations (eg, data records or events) that deviate significantly from
the others in the sample. Over the past few decades, research on anomaly mining has …

Towards self-interpretable graph-level anomaly detection

Y Liu, K Ding, Q Lu, F Li… - Advances in Neural …, 2024 - proceedings.neurips.cc
Graph-level anomaly detection (GLAD) aims to identify graphs that exhibit notable
dissimilarity compared to the majority in a collection. However, current works primarily focus …

Comga: Community-aware attributed graph anomaly detection

X Luo, J Wu, A Beheshti, J Yang, X Zhang… - Proceedings of the …, 2022 - dl.acm.org
Graph anomaly detection, here, aims to find rare patterns that are significantly different from
other nodes. Attributed graphs containing complex structure and attribute information are …

Dagad: Data augmentation for graph anomaly detection

F Liu, X Ma, J Wu, J Yang, S Xue… - … conference on data …, 2022 - ieeexplore.ieee.org
Graph anomaly detection in this paper aims to distinguish abnormal nodes that behave
differently from the benign ones accounting for the majority of graph-structured instances …

Alleviating structural distribution shift in graph anomaly detection

Y Gao, X Wang, X He, Z Liu, H Feng… - Proceedings of the …, 2023 - dl.acm.org
Graph anomaly detection (GAD) is a challenging binary classification problem due to its
different structural distribution between anomalies and normal nodes---abnormal nodes are …

Deep graph-level anomaly detection by glocal knowledge distillation

R Ma, G Pang, L Chen, A van den Hengel - Proceedings of the fifteenth …, 2022 - dl.acm.org
Graph-level anomaly detection (GAD) describes the problem of detecting graphs that are
abnormal in their structure and/or the features of their nodes, as compared to other graphs …