4 papers
Unnoticeable Community Deception via Multi-objective Optimization
Junyuan Fang, Huimin Liu, Yueqi Peng +3
Community detection in graphs is crucial for understanding the organization of nodes into densely connected clusters. While numerous strategies have been developed to identify thes…
BridgeShield: Enhancing Security for Cross-chain Bridge Applications via Heterogeneous Graph Mining
Dan Lin, Shunfeng Lu, Ziyan Liu +5
Cross-chain bridges play a vital role in enabling blockchain interoperability. However, due to the inherent design flaws and the enormous value they hold, they have become prime ta…
Quantifying the Noise of Structural Perturbations on Graph Adversarial Attacks
Junyuan Fang, Han Yang, Haixian Wen +3
Graph neural networks have been widely utilized to solve graph-related tasks because of their strong learning power in utilizing the local information of neighbors. However, recent…
Mitigating the Structural Bias in Graph Adversarial Defenses
Junyuan Fang, Huimin Liu, Han Yang +3
In recent years, graph neural networks (GNNs) have shown great potential in addressing various graph structure-related downstream tasks. However, recent studies have found that cur…