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Graph Diffusion Convolution, as proposed in "Diffusion Improves Graph Learning" (NeurIPS 2019)

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GDC

Reference implementation (example) of the model proposed in the paper:

Diffusion Improves Graph Learning
by Johannes Gasteiger, Stefan Weißenberger, Stephan Günnemann
Published at NeurIPS 2019.

Run the code

This repository primarily contains a demonstration of enhancing a graph convolutional network (GCN) with graph diffusion convolution (GDC) in the notebook gdc_demo.ipynb.

Requirements

The repository uses these packages:

pyyaml
tqdm>=4.36
numpy
scipy
seaborn
pytorch>=1.3
pytorch_geometric

PyTorch Geometric

GDC is also implemented as a transformation (preprocessing step) in PyTorch Geometric. So you can just apply it to your own dataset and see how your existing PyG model improves!

Contact

Please contact j.gasteiger@in.tum.de in case you have any questions.

Cite

Please cite our paper if you use the model or this code in your own work:

@inproceedings{gasteiger_diffusion_2019,
  title = {Diffusion Improves Graph Learning},
  author = {Gasteiger, Johannes and Wei{\ss}enberger, Stefan and G{\"u}nnemann, Stephan},
  booktitle={Conference on Neural Information Processing Systems (NeurIPS)},
  year = {2019}
}

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Graph Diffusion Convolution, as proposed in "Diffusion Improves Graph Learning" (NeurIPS 2019)

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