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TRAK: projected after-kernel attribution and linear datamodeling evaluation

Contribution grade

AI interpretability, model editing and data attribution · Human-designed research method or resource

Reference score130,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Combines model-output linearization, random-projected gradient features, approximate logistic influence and model ensembling to estimate data attribution, evaluating subset counterfactual predictions with a rank-correlation score.

Scientific scope

Combines model-output linearization, random-projected gradient features, approximate logistic influence and model ensembling to estimate data attribution, evaluating subset counterfactual predictions with a rank-correlation score. Linearization, dropping curvature factors and ensembling are approximations, not exact neural retraining or causal truth. Speed/quality findings are source-specific empirical comparisons; fixed-projection preservation does not guarantee full attribution correctness. First three authors explicitly equal.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Linearization, dropping curvature factors and ensembling are approximations, not exact neural retraining or causal truth. Speed/quality findings are source-specific empirical comparisons; fixed-projection preservation does not guarantee full attribution correctness. First three authors explicitly equal.

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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