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RIDA: a robust attack framework on incomplete graphs

delete2025-05-23
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PRE
AI
J
Jianke Yu
H
Hanchen Wang
C
Chen Chen
X
Xiaoyang Wang
L
Lu Qin
W
Wenjie Zhang
Y
Ying Zhang
X
Xijuan Liu *
DOI:10.1007/s11280-025-01354-ydelete
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摘要

摘要

En 中文
随着图神经网络(GNNs)日益重要,它们正成为污染攻击的主要目标。这些攻击通过向用于重新训练的数据集中注入扰动,导致模型性能下降。为构建鲁棒GNN模型,设计强大的污染攻击模型作为基础基准和指导参考至关重要。现有攻击模型假设攻击者可获取完整的图结构和属性信息。然而,在许多场景下,由于数据源的隐私政策,仅能获取部分或不完整的图数据。鉴于此,我们提出了一种针对不完整图的实用攻击方法,命名为Robust Incomplete Deep Attack Framework(RIDA)。它是首个针对不完整图的鲁棒灰盒污染攻击方法。为确保攻击的可靠代理模型,我们引入了Depth-plus GNN模块以实现长程信息传播,并采用Local-global Aggregation模块以优化特征聚合。此外,我们通过Holistic Adversarial Attack模块对不完整图进行污染攻击的优化与执行。在3个真实数据集上针对9种最新基准的广泛评估表明,RIDA在攻击不完整图上的GNN方面优于现有方法。
Keyword:
Graph neural networks
Poisoning attacks
Incomplete graphs

期刊

W
World Wide Web-Internet and Web Information Systems
IF:
3.4
论文数:
57
被引数:
2.3K

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