ResearchBenchmarksDistribution-on-distribution regression over graphs on Weather1 Real-world (Canada Weather Stats) (test)Follow5.412-Wasserstein DistanceO(d)-GSNN5.31445.95976.6057.2503May 20, 2026Evaluation ResultsMethodMethodLinks2-Wasserstein DistanceO(d)-GSNNRestriction map=O(d)Restriction map=O(d)2026.055.41Diag-GSNNRestriction map=DiagonalRestriction map=Diagonal2026.055.46Gen-GSNNRestriction map=GeneralRestriction map=General2026.055.55Diag-NSDRestriction map=DiagonalRestriction map=Diagonal2026.055.79O(d)-NSDRestriction map=O(d)Restriction map=O(d)2026.055.83Gen-NSDRestriction map=GeneralRestriction map=General2026.055.86GCN2026.057.4MLP2026.057.8