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Link Prediction Based on Graph Neural Networks

NeurIPS 2018 · Graph learning › GNN architectures · approach: Graph structure learning · 280 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Learn link heuristics with a GNN over local enclosing subgraphs rather than use predefined heuristicsSEAL · USAir, NS, PB, Yeast, C.ele, Power, Router, E.coliAUCHelped
Use graph-level GNN learning on enclosing subgraphs instead of WLNM's fully-connected networkSEAL versus WLNM · NS, PB, Yeast, Power, Router, E.coliAUC: 98.61$\pm$0.49 -> \textbf{98.85}$\pm$0.47; 93.49$\pm$0.47 -> \textbf{94.72}$\pm$0.46; 95.62$\pm$0.52 -> \textbf{97.91}$\Helped
Add double-radius structural node labels rather than no labeling or naive labelings (ablation)SEAL · Link prediction experimentsAUCHelped
Inject sampled negative links when generating node embeddings (ablation)SEAL with node embeddings · Link prediction experimentsAUCHelped
Add node2vec embeddings to the SEAL node information matrix (ablation)SEAL · Link prediction datasetsAUCMixed
Increase enclosing-subgraph hop count beyond h=2, up to h>=3 (ablation)SEAL · Link prediction datasetsAUCNo clear effect

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