GRBE improves out-of-distribution graph classification and explanation quality by mixing environment subgraphs in the original graph space and refining rationale subgraphs with contrastive learning.
Graph invariant learning with subgraph co-mixup for out-of-distribution generalization,
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Towards Effective Graph Rationalization via Boosting Environment Diversity
GRBE improves out-of-distribution graph classification and explanation quality by mixing environment subgraphs in the original graph space and refining rationale subgraphs with contrastive learning.