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AutoGCL: Automated Graph Contrastive Learning via Learnable View Generators

AAAI 2022 · Graph learning › Graph self-supervised learning · approach: Contrastive learning with negatives and views · 152 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use learnable, input-conditioned node drop/keep/mask view generators instead of fixed augmentationsGraph contrastive learning · Unsupervised graph classificationaccuracyMixed
Use AutoGCL pretraining instead of AD-GCLGIN transfer learning · BACEROC-AUC: 78.51±0.80 -> 83.26±1.13Helped
Use AutoGCL pretraining instead of the strongest listed baselineGIN transfer learning · Tox21ROC-AUC: 76.7±0.4 -> 75.69±0.29Hurt
Use the joint strategy instead of naive contrastive pretraining followed by fine-tuning (ablation)AutoGCL semi-supervised learning · COLLABaccuracy: 76.60±2.15 -> 77.16±1.48Helped
Add the similarity loss to joint training (ablation)AutoGCL semi-supervised learning · PROTEINSaccuracy: 74.66±2.58 -> 75.65±2.40Helped
Add the contrastive loss to joint cls+sim training (ablation)AutoGCL semi-supervised learning · COLLABaccuracy: 75.60±2.08 -> 77.16±1.48Helped
Add the similarity loss to joint cl+cls training (ablation)AutoGCL semi-supervised learning · NCI1accuracy: 73.07±2.31 -> 73.75±2.25Helped
Use edge perturbation as the only GraphCL augmentation instead of random4 (ablation)GraphCL · NCI1accuracy: 72.94 ± 3.23 -> 71.85 ± 3.45Hurt
Use subgraph augmentation as the only GraphCL augmentation instead of random4 (ablation)GraphCL · PROTEINSaccuracy: 71.08 ± 5.03 -> 62.99 ± 4.92Hurt
Vary the node-dropping augmentation ratio from 0.1 to 0.4 (ablation)GraphCL · NCI1accuracy: 75.01 ± 2.91 -> 73.94 ± 2.32Hurt
Use the joint strategy rather than naive pretraining/fine-tuning (ablation)AutoGCL semi-supervised learning · COLLABtest accuracyHelped

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