Olga Ohrimenko, Anthony Wirth, Hao Wu. Randomize the Future: Asymptotically Optimal Locally Private Frequency Estimation Protocol for Longitudinal Data. In Leonid Libkin, Pablo Barceló, editors, PODS '22: International Conference on Management of Data, Philadelphia, PA, USA, June 12 - 17, 2022. pages 237-249, ACM, 2022. [doi]
Abstract is missing.