no code implementations • 10 Feb 2024 • Prathamesh Dharangutte, Jie Gao, Ruobin Gong, Guanyang Wang
This work proposes a class of locally differentially private mechanisms for linear queries, in particular range queries, that leverages correlated input perturbation to simultaneously achieve unbiasedness, consistency, statistical transparency, and control over utility requirements in terms of accuracy targets expressed either in certain query margins or as implied by the hierarchical database structure.
