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All in a Row: Compressed Convolution Networks for Graphs

ICML 2023 · Graph learning › Graph self-supervised learning · approach: Semi-supervised node representation learning

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add structure features alongside node features (both vs. node features only) (ablation)CoCN · Chameleon, Cornell, MUTAG, IMDB-Baccuracy: MUTAG 85.12 -> 87.08 (+1.96); IMDB-B 75.09 -> 77.26; Chameleon 77.98 -> 79.17; Cornell 79.19 -> 81.08Mixed
use only structure features (no node features) (ablation)CoCN · MUTAGaccuracy: 88.35 vs 87.08 with both featuresNo clear effect
increase number of permutations (ablation)CoCN · MUTAG, Chameleon, Cornell, WisconsinaccuracyHelped
stack multiple compressed convolution layers with unit step (ablation)CoCN · network depth analysisaccuracyHurt
enlarge receptive field via kernel size and pooling until it exceeds number of input nodes (ablation)CoCN · ChameleonaccuracyMixed
use kernel size k=5 instead of 3, 7, or 9 (ablation)CoCN · ChameleonaccuracyHelped
Cluster-GCN mini-batch training instead of full-batchCoCN · amazon-ratings, questions, geniusaccuracy / ROC AUC: CoCN performs comparably to full-batch classification resultsNo clear effect
proposed CoCN vs. convolutional GNN and graph pooling baselines on graph classificationCoCN · PROTEINS, NCI1, IMDB-B, IMDB-M, COLLABaccuracy: COLLAB 86.15 vs 82.13 (DIFFPOOL)Helped
proposed CoCN vs. baselines on MUTAG graph classificationCoCN · MUTAGaccuracy: 87.08 vs 88.95 (PATCHY-SAN)Hurt
proposed CoCN vs. baselines on node classificationCoCN · Texas, Wisconsin, Actoraccuracy: Texas 85.21 vs 84.86 GGCN is actually higher for CoCN; Wisconsin 86.88 vs 87.45 ACMII-GCN; Actor 36.35 vs 37.54 GGCNHurt
proposed CoCN on filtered Chameleon and Squirrel (duplicate-free)CoCN · Filtered Chameleon / Squirrelaccuracy: Filtered Chameleon 41.95 (rank 1) vs FSGNN 40.61; Squirrel 39.69 vs GCN 39.47Helped

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