Author

Sébastien Gambs

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Preprint Aug 2026

Neighborhood Watch: Privacy Risks in Seeded Local Combination Synthetic Data

This paper investigates the privacy risks associated with local combination approaches for generating synthetic data in which synthetic profiles are built by combining real neighbouring profiles, and focuses on three methods from this family, namely SMOTE, Simulant and Avatar.

H. Lautraite, Tristan Allard, Anne-Sophie Charest et al. · 0 citations

Preprint Aug 2026

Manipulation-Proof Oblivious Audits against Deceptive Model Providers

A novel audit protocol designed to significantly increase the post-audit detectability of manipulations by enabling the auditor to query the model in an oblivious manner and providing theoretical guarantees showing that, under this protocol, a provider attempting to hide unfairness must falsify a significantly larger n...

Augustin Godinot, Sofiane Azogagh, Julien Ferry et al. · 0 citations