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Factorizable Graph Convolutional Networks

NeurIPS 2020 · Graph learning › Knowledge and temporal graphs · approach: Heterogeneous graph learning

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use graph-level factorization and factor-specific feature aggregation instead of a conventional GCN baselineSynthetic dataset classification · Synthetic datasetMicro-F1: 0.947 ± 0.003 -> 0.995 ± 0.004Helped
Use graph-level factorization to represent latent relationsSynthetic graph disentanglement · Synthetic datasetC-Score: 0.367±0.026 -> 0.532 ± 0.044Helped
Use FactorGCN rather than DisenGCN for edge disentanglementZINC · ZINCGED_E: 14.14±6.19 -> 12.72 ± 5.34Helped
Apply FactorGCN without edge-type information rather than GatedGCN_E with edge informationMolecular regression · ZINCMAE: 0.366 ± 0.014 vs 0.363 ± 0.009No clear effect
Add the discriminator loss to FactorGCN (ablation)FactorGCN · Synthetic datasetdownstream task and disentanglement performanceHelped
Increase the number of factor graphs from four to five (ablation)FactorGCN · Synthetic classification, five factor graphsMicro-F1: 0.995 ± 0.004 -> 0.893 ± 0.021Helped
Add the discriminator to GAT (ablation)GAT · Synthetic datasetMicro-F1: 0.923 ± 0.009 -> 0.928 ± 0.009No clear effect
Add the discriminator to GAT (ablation)GAT · Synthetic datasetGED_E: 12.59 ± 3.00 -> 12.35 ± 3.86No clear effect
Add the discriminator to GAT (ablation)GAT · Synthetic datasetC-Score: 0.288 ± 0.064 -> 0.274 ± 0.065Hurt
Increase the number of factors beyond the ground-truth count (ablation)FactorGCN · Synthetic datasets with varying factor countsclassification performanceMixed

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