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Bag Graph: Multiple Instance Learning Using Bayesian Graph Neural Networks

AAAI 2022 · Graph learning › Graph self-supervised learning · approach: Heterophily and imbalance on graphs · 25 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace the k-NN observed graph with Bayesian inferred graph learningRes+pool-GCN on 20 Newsgroups · 20 Newsgroups (20 datasets)average rank: 4.55 -> 3.35Helped
Use the k-NN observed graph rather than a graph-agnostic modelRes+pool on 20 Newsgroups · 20 Newsgroups (20 datasets)average rank: 4.05 -> 4.55Hurt
Add spatial graph convolutionDeep Sets · 2016 US election countiesaccuracy: 73.22±3.22 -> 74.05±4.56Helped
Replace the observed spatial graph with Bayesian inferred graph learningDS-GCN · 2016 US election countiesaccuracy: 74.05±4.56 -> 74.29±3.15Helped
Add graph convolution using the observed neighborhood graphDeep Sets · NYC rental pricesRMSE: 86.37±20.41 -> 78.57±16.06Helped
Replace observed graph convolution with Bayesian inferred graph learningDS-GCN · NYC rental pricesRMSE: 78.57±16.06 -> 67.51±16.39Helped
Replace observed graph convolution with Bayesian inferred graph learningST-GCN · NYC rental pricesRMSE: 71.86±14.65 -> 69.44±16.23Helped
Perform graph inference only on training nodes and add disconnected test nodes at evaluation (ablation)B-DS-GCN · NYC rental prices (DS)RMSE: 67.51±16.39 -> 75.26±16.99Hurt
Train on training nodes only, but infer graph using training and test nodes at evaluation (ablation)B-DS-GCN · NYC rental prices (DS)RMSE: 67.51±16.39 -> 68.15±16.77Hurt
Perform graph inference and model training transductively on training and test nodes (ablation)B-ST-GCN · NYC rental prices (ST)RMSE: 89.95±23.23 -> 69.44±16.23Helped
Train on training nodes only, but infer graph using training and test nodes at evaluation (ablation)B-ST-GCN · NYC rental prices (ST)RMSE: 69.44±16.23 -> 71.72±16.50Hurt

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