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Not All Low-Pass Filters are Robust in Graph Convolutional Networks

NeurIPS 2021 · Adversarial robustness and security › Attacks on text and graphs · approach: Graph neural network robustness · 19 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add GCN-LFR co-trainingVanillaGCN · Cora Nettack-Oneaccuracy: 0.350 -> 0.800Helped
add GCN-LFR co-trainingVanillaGCN · Cora Mettackaccuracy: 0.701 -> 0.777Helped
add GCN-LFR co-trainingVanillaGCN · Citeseer benignaccuracy: 0.721 -> 0.701Hurt
add GCN-LFR co-trainingJK-Net · Coauthor CS benignaccuracy: 0.927 -> 0.891Hurt
add GCN-LFR co-trainingVanillaGCN · Cora benignaccuracy: 0.815 -> 0.818No clear effect
use learnable filter F instead of fixed truncated eigenvalues (ablation)GCN-LFR · Cora benignaccuracy: 0.779 -> 0.824Helped
use learnable filter F instead of fixed truncated eigenvalues (ablation)GCN-LFR · Cora Mettackaccuracy: 0.726 -> 0.791Helped
use alternate instead of joint optimization (ablation)GCN-LFR · Cora benign testaccuracy: 0.817 -> 0.833Helped
use alternate instead of joint optimization (ablation)GCN-LFR · training timeacceleration ratio: x1.74 averageHelped
train with only low-frequency net LFR (no GCN branch) (ablation)GCN-LFR · Cora benigntraining accuracyHurt

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