Adversarial Training for Graph Neural Networks: Pitfalls, Solutions, and New Directions

Lukas Gosch, Simon Geisler, Daniel Sturm, Bertrand Charpentier, Daniel Zügner +1 more
6/27/2023
cs.LG

No official code found. Best implementation: saper0/adversarial_training (13 stars, MIT, last commit 2023-12-08).

Abstract

Despite its success in the image domain, adversarial training did not (yet) stand out as an effective defense for Graph Neural Networks (GNNs) against graph structure perturbations. In the pursuit of fixing adversarial training (1) we show and overcome fundamental theoretical as well as practical limitations of the adopted graph learning setting in prior work; (2) we reveal that more flexible GNNs based on learnable graph diffusion are able to adjust to adversarial perturbations, while the learned message passing scheme is naturally interpretable; (3) we introduce the first attack for structure perturbations that, while targeting multiple nodes at once, is capable of handling global (graph-level) as well as local (node-level) constraints. Including these contributions, we demonstrate that adversarial training is a state-of-the-art defense against adversarial structure perturbations.

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Code Implementations(1)

MIT

Codebase used to generate the results for NeurIPS23 "Adversarial Training for Graph Neural Networks: Pitfalls, Solutions, and New Directions" paper.

133C++, CudaDec 8, 20232 years agoMIT

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Cite this paper

@article{gosch2023adversarial,
  title  = {Adversarial Training for Graph Neural Networks: Pitfalls, Solutions, and New Directions},
  author = {Lukas Gosch and Simon Geisler and Daniel Sturm and Bertrand Charpentier and Daniel Zügner and Stephan Günnemann},
  year   = {2023},
  eprint = {2306.15427},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2306.15427v2},
  journal = {NEURIPS 2023 2023}
}

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