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Multi-Domain Generalized Graph Meta Learning

AAAI 2023 · Graph learning › Graph self-supervised learning · approach: Graph domain adaptation · 13 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use MD-Gram to meta-train across multiple source domains and adapt to the held-out graph domainVGAE-based link prediction · ARY-P, ARP-Y, APY-R, PRY-A; 10% known edgesAUC (%): 70.62 -> 76.79; 79.28 -> 85.30; 66.09 -> 73.00; 74.73 -> 80.50Helped
Use MD-Gram for multi-domain graph meta-learningVGAE-based link prediction · 20% known edges, final AUCAUC (%): 88.73 -> 89.14; 90.52 -> 90.71; 81.94 -> 82.24; 90.80 -> 88.19Mixed
Add empirical graph generalization using node and edge empirical vectors (ablation)MD-Gram · ARY-P, ARP-Y, APY-R, PRY-A; 20% known edges, 10-epoch AUCAUC (%): 64.57 -> 79.76; 79.70 -> 87.17; 68.96 -> 76.33; 65.09 -> 81.55Helped
Add multi-domain graphs transformation into a common domain (ablation)MD-Gram · ARY-P, ARP-Y, APY-R, PRY-A; 20% known edges, 10-epoch AUCAUC (%): 70.59 -> 79.76; 85.60 -> 87.17; 72.82 -> 76.33; 78.70 -> 81.55Helped
Add domain-specific GNN enhancement (ablation)MD-Gram · ARY-P, ARP-Y, APY-R, PRY-A; 20% known edges, 10-epoch AUCAUC (%): 76.98 -> 79.76; 88.79 -> 87.17; 74.12 -> 76.33; 76.09 -> 81.55Mixed
Add edge empirical vectors (ablation)MD-Gram · ARY-P, ARP-Y, APY-R, PRY-A; 20% known edges, 10-epoch AUCAUC (%): 76.41 -> 79.76; 87.06 -> 87.17; 74.47 -> 76.33; 75.76 -> 81.55Helped
Add target-graph preprocessing to transform it into the common domain (ablation)MD-Gram during meta testing · ARY-P, ARP-Y, APY-R, PRY-A; 20% known edges, 10-epoch AUCAUC (%): 77.78 -> 79.76; 87.04 -> 87.17; 74.72 -> 76.33; 79.19 -> 81.55Helped

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