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Transfer Learning of Graph Neural Networks with Ego-graph Information Maximization

NeurIPS 2021 · Graph learning › GNN architectures · approach: GNN generalization theory · 27 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
train on Barabasi source graph instead of Forest-fire source (larger structural difference) (ablation)EGI (GIN) · synthetic role identification, transferable featuresaccuracy: 0.710 -> 0.616Hurt
use non-transferable uniform node features instead of degree one-hot (ablation)EGI (GIN) · synthetic role identification F-Faccuracy: 0.710 -> 0.376Hurt
pre-train EGI on Europe instead of using random-init GINGIN · Airport USAaccuracy: 0.616 -> 0.646Helped
pre-train DGI instead of random-init GINGIN · Airport USAaccuracy: 0.616 -> 0.549Hurt
EGI instead of GMIGIN encoder · Airport Brazilaccuracy: 0.731 -> 0.732No clear effect
EGI instead of GMI in joint fine-tuningGCN · YAGO 20-shot relation predictionAUROC: 0.721 -> 0.787Helped
EGI instead of GMI in post-fine-tuningGCN · YAGO 20-shot relation predictionAUROC: 0.728 -> 0.739Helped
structural difference between source and target graphs above 1EGI transfer · Gene brain cancer networksmicro-F1 gain over untrained GINHurt

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