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Research map / Federated learning and privacy / Differential privacy

Privately Publishable Per-instance Privacy

NeurIPS 2021 · Federated learning and privacy › Differential privacy · approach: Private data analysis frameworks · 3 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Increase objective-perturbation regularization (lambda inflation) (ablation)Obj-Pert logistic regression · Synthetic dataset (n = 1000, d = 50)0-1 lossNo clear effect
Use a data-dependent privacy report instead of the data-independent boundObj-Pert · UCI kidney dataset; logistic regressionaccuracy of the pDP upper-bound estimateHelped
Use a data-dependent privacy report instead of the data-independent boundObj-Pert · UCI wine quality dataset; linear regressionaccuracy of the pDP upper-bound estimateHelped
Allocate more of the fixed privacy budget to releasing the gradient and Hessian estimates, rather than nearly all of it to model release (ablation)Data-dependent privacy report · Credit card default datasetaccuracy of the pDP upper-bound estimateHelped
Reserve little privacy budget for the gradient and Hessian report while spending nearly all of it on model release (ablation)Data-dependent privacy report · UCI credit default datasetaccuracy of the pDP upper-bound estimateHurt
Use a data-independent bound for GLM pDP reportingObj-Pert · Generalized linear modelsdimension and dataset-size dependence of the boundHelped
Use Gaussian Orthogonal Ensemble noise for releasing the Hessian instead of classical AnalyzeGauss noiseHessian release mechanism · Hessian releaseconstant factor: roughly a constant factor of 2Helped
Use the data-independent GLM bound rather than directly exposing the ex-post pDP lossObj-Pert privacy reporting · Generalized linear modelsadditional privacy cost: no additional privacy budgetHelped
Release data-dependent gradient and Hessian estimates to tighten the reportObj-Pert privacy reporting · Logistic regression on the UCI kidney datasetaccuracy of the pDP upper-bound estimateHelped
Use the adaptive privacy report based on the released minimum Hessian eigenvalueObj-Pert privacy reporting · Well-conditioned Hessianmultiplicative approximation factor for the leverage-score term: from 12 to 1 + o(1)Helped

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