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Learning Augmentation for GNNs With Consistency Regularization
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DOI：10.1109/ACCESS.2021.3111908.png)
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Abstract
En 中文
Graph neural networks (GNNs) have demonstrated superior performance in various tasks on graphs. However, existing GNNs often suffer from weak-generalization due to sparsely labeled datasets. Here we propose a novel framework that learns to augment the input features using topological information and automatically controls the strength of augmentation. Our framework learns the augmentor to minimize GNNs' loss on unseen labeled data while maximizing the consistency of GNNs' predictions on unlabeled data. This can be formulated as a meta-learning problem and our framework alternately optimizes the augmentor and GNNs for a target task. Our extensive experiments demonstrate that the proposed framework is applicable to any GNNs and significantly improves the performance of graph neural networks on node classification. In particular, our method provides 5.78% improvement with Graph convolutional network (GCN) on average across five benchmark datasets.
Keywords:
Task analysis
Graph neural networks
Topology
Training
Data models
Licenses
Training data
Graph neural networks
augmentation
semi-supervised learning
meta-learning
Journal
IF:
3.6
Papers:
9.8W
Citations:
29.4W
Organization
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