arXiv Machine Learning By Xinxue (Shawn), Qu, Francis Bilson Darku, Hong Guo

Shapley-Value-Based Feature Attribution for Data Masking

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arXiv:2607. 28946v1 Announce Type: new Abstract: Despite its many benefits, widespread access to individuals' personal data also causes severe privacy concerns for consumers, companies, and policymakers.

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arXiv Machine Learning
Sep 17

QuanText: Protecting Dataset-Level Secrets in Textual Data Sharing

QuanText is a training‑free, large‑language‑model‑agnostic mechanism for releasing textual datasets that protects dataset‑level secrets such as the proportion of records with a particular diagnosis or gender. It perturbs both the secret distribution and correlated attribute distributions by selecting candidate release distributions close to the private empirical distribution and rewriting each text sample to match the chosen distribution using attribute‑related snippets. The method is inspired by the Statistic Maximal Leakage framework and, under idealized conditions, satisfies an SML guarantee, while empirical evaluations show a superior privacy‑utility trade‑off compared to existing data generation baselines.

By Shuaiqi Wang, Zinan Lin, Giulia Fanti
arXiv Machine Learning
Sep 18

On the Inherent Privacy Amplification of Missing Data

The paper explores how missing data can inherently enhance privacy in machine learning. By integrating missingness into a differential privacy framework, the authors demonstrate that the absence of certain features can amplify privacy guarantees without altering the underlying algorithm. This reveals a previously overlooked interaction between data incompleteness and formal privacy protections.

By Simon Roburin (LPSM), Rafa{\"e}l Pinot (LPSM), Erwan Scornet (LPSM)
arXiv AI
Jul 21

A Survey on Unlearnable Data

arXiv:2503. 23536v3 Announce Type: replace-cross Abstract: Unlearnable data (ULD) has emerged as an innovative defense technique to prevent machine learning models from learning meaningful patterns from specific data, thus protecting data privacy and security.

By Jiahao Li, Yiqiang Chen, Yunbing Xing, Yang Gu, Xiangyuan Lan