UGPrompt trains a prompt for a frozen GNN using pseudo-labels from confident predictions on augmented target graphs, matching or beating supervised prompting baselines without labels.
A closer look at distribution shifts and out-of-distribution generalization on graphs
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Freeze, Prompt, and Adapt: A Framework for Source-free Unsupervised GNN Prompting
UGPrompt trains a prompt for a frozen GNN using pseudo-labels from confident predictions on augmented target graphs, matching or beating supervised prompting baselines without labels.