Privacy-budget governance across repeated releases

Determine how to manage differential-privacy budgets when multiple datasets containing the same cohort are continuously released through the ReLEAF framework.

Background

Educational real-world data may be collected and released repeatedly, with successive datasets containing overlapping or identical cohorts. Repeated differentially private releases can consume a cumulative privacy budget, creating a governance problem that is not resolved by evaluating each release in isolation. The paper explicitly identifies the management of this cumulative budget as an unaddressed question for the framework.