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News/Chi-Square Wavelet Graph Neural Networks for Heterogeneous Graph Anomaly Detection
arxiv
PublishedJuly 22, 2026 at 4:00 AM

Chi-Square Wavelet Graph Neural Networks for Heterogeneous Graph Anomaly Detection

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arXiv:2505.18934v2 Announce Type: replace-cross Abstract: Graph Anomaly Detection (GAD) in heterogeneous networks presents unique challenges due to node and edge heterogeneity. Existing Graph Neural Network (GNN) methods primarily focus on homogeneous GAD and thus fail to address three key issues: (

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