PA-GNN meta-learns to penalize adversarial edges on clean graphs and retains that penalization when fine-tuned on a poisoned graph, improving node classification accuracy under poisoning attacks.
Feature Interaction-aware Graph Neural Networks
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abstract
Inspired by the immense success of deep learning, graph neural networks (GNNs) are widely used to learn powerful node representations and have demonstrated promising performance on different graph learning tasks. However, most real-world graphs often come with high-dimensional and sparse node features, rendering the learned node representations from existing GNN architectures less expressive. In this paper, we propose \textit{Feature Interaction-aware Graph Neural Networks (FI-GNNs)}, a plug-and-play GNN framework for learning node representations encoded with informative feature interactions. Specifically, the proposed framework is able to highlight informative feature interactions in a personalized manner and further learn highly expressive node representations on feature-sparse graphs. Extensive experiments on various datasets demonstrate the superior capability of FI-GNNs for graph learning tasks.
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cs.LG 1years
2019 1verdicts
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Transferring Robustness for Graph Neural Network Against Poisoning Attacks
PA-GNN meta-learns to penalize adversarial edges on clean graphs and retains that penalization when fine-tuned on a poisoned graph, improving node classification accuracy under poisoning attacks.