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S. Abdelghafar

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#machine learning Preprint Oct 2025

Auditing Information Disclosure During Large-Scale Gradient-Based Training via Gradient Uniqueness

This work proposes a principled, attack-agnostic approach that uses mutual information to measure what the final model reveals about a datapoint's training membership and shows that this final-model disclosure is upper bounded by the sum of per-iteration gradient disclosures.

S. Abdelghafar, M. Aliakbarpour, Christopher Jermaine · 0 citations
#machine learning Preprint Sep 2026

Scalable Attribution and Control of Model Behavior During Training

The Batch-Space Ghost (BS-Ghost) algorithm makes these scores practical inside the training loop through shared computation in batch space, without storing model-sized example gradients, and demonstrates that BGU identifies data that causally shapes final behavior.

S. Abdelghafar · 0 citations
Preprint Aug 2026

Privacy-Preserving AI Verification via Minimal Information Disclosure

This work introduces minimal information disclosure (MID), which designs and quantifies the information content of verifier-facing evidence itself and measures collateral leakage with conditional mutual information.

S. Abdelghafar, Gabriel Kulp · 0 citations

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