Keras implementation of the GNM model in paper ’Graph-Based Semi-Supervised Learning with Nonignorable Nonresponses‘

Related tags

Deep Learning keras-gnm
Overview

Graph-based joint model with Nonignorable Missingness (GNM)

This is a Keras implementation of the GNM model in paper ’Graph-Based Semi-Supervised Learning with Nonignorable Nonresponses‘ by Fan Zhou et al (NeurIPS 2019).

Acknowledgements

This GNM model supports the architecture of

Graph Convolution Network (Thomas N. Kipf, Max Welling ICLR 2017), Semi-Supervised Classification with Graph Convolutional Networks,

Graph Attention Networks (Veličković et al., ICLR 2018): Graph Attention Networks

We build our pipeline based on Keras Graph Attention Network and Keras Graph Convolution Network.

You should cite these papers if you use any of this code for your research:

@article{kipf2016semi,
  title={Semi-supervised classification with graph convolutional networks},
  author={Kipf, Thomas N and Welling, Max},
  journal={arXiv preprint arXiv:1609.02907},
  year={2016}
}

@article{
  velickovic2018graph,
  title="{Graph Attention Networks}",
  author={Veli{\v{c}}kovi{\'{c}}, Petar and Cucurull, Guillem and Casanova, Arantxa and Romero, Adriana and Li{\`{o}}, Pietro and Bengio, Yoshua},
  journal={International Conference on Learning Representations},
  year={2018},
  url={https://openreview.net/forum?id=rJXMpikCZ},
  note={Accepted as poster},
}

I copied the code in utils.py almost verbatim from this repo by Thomas Kipf and add some new codes such as evaluation model prediction performance split training/validation/test data.

Disclaimer

I do not own any rights to the datasets distributed with this code, but they are publicly available at the following links:

Replicating experiments

To replicate the simple setup of the real analysis in the paper, just run:

$ python sim_cora_GCN.py

and

$ python sim_cora_GAT.py

for the Cora dataset with ‘lambda = 2’ or

$ python sim_citeseer_GAT.py

and

$ python sim_citeseer_GCN.py

for the Citeseer dataset.

To replicate the complicated setup of the real analysis in the paper, you may try

$ python real_cora.py
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Comments
  • CAN'T RUN NORMALLY!!!

    CAN'T RUN NORMALLY!!!

    While I am running the code sim_citeseer_GCN.py, it says:

    ValueError: Only provide the `shape` OR `batch_input_shape` argument to Input, not both at the same time.

    I don't know where is wrong. BTW: my software is Keras 2.4.3 tensorflow 2.4.0 Can anyone help me?

    opened by MoonTracer732 0
  • Can this code be directly applied to multi-classification?

    Can this code be directly applied to multi-classification?

    I find it's hard to apply the code to multi-classification directly. If I want to apply the code to multi-class setting, where should I modify? Thank you.

    opened by googlebaba 0
Owner
Fan Zhou
Fan Zhou
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