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GATv2: query-dependent graph-attention ranking

Contribution grade

Graph attention expressivity · Human-designed research method or resource

Reference score125,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Identified query-independent key-ranking restrictions of the original GAT score and changed the order of linear transformations/nonlinearity to enable dynamic attention.

Scientific scope

Identified query-independent key-ranking restrictions of the original GAT score and changed the order of linear transformations/nonlinearity to enable dynamic attention. Distinct from already-formal GAT, with inherited attention/neighborhood aggregation. Static-ranking theorem concerns the specified score/head, not every graph-attention architecture. Dynamic expressivity does not prove general graph-isomorphism solving or better performance on every task; complexity comparisons retain channel, edge and parameter costs.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Distinct from already-formal GAT, with inherited attention/neighborhood aggregation. Static-ranking theorem concerns the specified score/head, not every graph-attention architecture. Dynamic expressivity does not prove general graph-isomorphism solving or better performance on every task; complexity comparisons retain channel, edge and parameter costs.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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