X Liu, Y Zhang, M Wu, M Yan, K He, W Yan… - arXiv preprint arXiv …, 2024 - arxiv.org
Edge perturbation is a basic method to modify graph structures. It can be categorized into two veins based on their effects on the performance of graph neural networks (GNNs), ie …
Graph-level anomaly detection aims at capturing anomalous individual graphs in a graph set. Due to its significance in various real-world application fields, eg, identifying rare …
M Guang, C Yan, Y Xu, J Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Graph convolutional networks (GCNs) can quickly and accurately learn graph representations and have shown powerful performance in many graph learning domains …
Graph Neural Networks (GNNs) are prominent in graph machine learning and have shown state-of-the-art performance in Link Prediction (LP) tasks. Nonetheless, recent studies show …
Graph Neural Networks'(GNNs) ability to generalize across complex distributions is crucial for real-world applications. However, prior research has primarily focused on specific types …
M Navarro, S Segarra - ICASSP 2023-2023 IEEE International …, 2023 - ieeexplore.ieee.org
We develop a novel data-driven nonlinear mixup mechanism for graph data augmentation and present different mixup functions for sample pairs and their labels. Mixup is a data …
Attribute graphs are a crucial data structure for graph communities. However, the presence of redundancy and noise in the attribute graph can impair the aggregation effect of …
Graph neural networks (GNNs) have achieved state-of-the-art performance in representation learning for graphs recently. However, the effectiveness of GNNs, which capitalize on the …
Z Zhang, S Wan, S Wang, X Zheng, X Zhang… - arXiv preprint arXiv …, 2023 - arxiv.org
Signed Graph Neural Networks (SGNNs) are vital for analyzing complex patterns in real- world signed graphs containing positive and negative links. However, three key challenges …