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Variational Graph Auto-encoder in Pytorch

This repository implements variational graph auto-encoder by Thomas Kipf. For details of the model, refer to his original tensorflow implementation and his paper.

Requirements

• Pytorch
• python 3.x
• networkx
• scikit-learn
• scipy

How to run

• Specify your arguments in args.py : you can change dataset and other arguments there
• run python train.py

Notes

• The dataset is the same as what Kipf provided in his original implementation. Thus I used his preprocessing code as-is(maybe with minor modification).
• Per-epoch training time is a bit slower then the original implementation.(0.2 sec/epoch --> 0.9 sec/epoch)
• Train accuracy, validation(test) average precision, auroc are similar to those of the original. (over 90% for both AP and roc)
• Dropout is not implemented now.
• Feel free to report some inefficiencies in the code! (It's just initial version so may have much room for pytorch-adaptation)