Constant matters: Fine-grained error bound on differentially private continual observation

H Fichtenberger, M Henzinger… - … on Machine Learning, 2023 - proceedings.mlr.press
We study fine-grained error bounds for differentially private algorithms for counting under
continual observation. Our main insight is that the matrix mechanism when using lower …

Almost tight error bounds on differentially private continual counting

M Henzinger, J Upadhyay, S Upadhyay - … of the 2023 Annual ACM-SIAM …, 2023 - SIAM
The first large-scale deployment of private federated learning uses differentially private
counting in the continual release model as a subroutine (Google AI blog titled “Federated …

Differentially private continual releases of streaming frequency moment estimations

A Epasto, J Mao, AM Medina, V Mirrokni… - arXiv preprint arXiv …, 2023 - arxiv.org
The streaming model of computation is a popular approach for working with large-scale
data. In this setting, there is a stream of items and the goal is to compute the desired …

A unifying framework for differentially private sums under continual observation

M Henzinger, J Upadhyay, S Upadhyay - … of the 2024 Annual ACM-SIAM …, 2024 - SIAM
We study the problem of maintaining a differentially private decaying sum under continual
observation. We give a unifying framework and an efficient algorithm for this problem for any …

A smooth binary mechanism for efficient private continual observation

JD Andersson, R Pagh - Advances in Neural Information …, 2024 - proceedings.neurips.cc
In privacy under continual observation we study how to release differentially private
estimates based on a dataset that evolves over time. The problem of releasing private prefix …

On differential privacy and adaptive data analysis with bounded space

I Dinur, U Stemmer, DP Woodruff, S Zhou - … International Conference on …, 2023 - Springer
We study the space complexity of the two related fields of differential privacy and adaptive
data analysis. Specifically, Under standard cryptographic assumptions, we show that there …

Continual observation under user-level differential privacy

W Dong, Q Luo, K Yi - 2023 IEEE Symposium on Security and …, 2023 - ieeexplore.ieee.org
In the foundational work of Dwork et al.[15] on continual observation under differential
privacy (DP), two privacy models have been proposed: event-level DP and user-level DP …

Constant matters: Fine-grained complexity of differentially private continual observation using completely bounded norms

M Henzinger, J Upadhyay - Cryptology ePrint Archive, 2022 - eprint.iacr.org
We study fine-grained error bounds for differentially private algorithms for averaging and
counting in the continual observation model. For this, we use the completely bounded …

Frequency estimation under multiparty differential privacy: One-shot and streaming

Z Huang, Y Qiu, K Yi, G Cormode - arXiv preprint arXiv:2104.01808, 2021 - arxiv.org
We study the fundamental problem of frequency estimation under both privacy and
communication constraints, where the data is distributed among $ k $ parties. We consider …

A framework for private matrix analysis in sliding window model

J Upadhyay, S Upadhyay - International Conference on …, 2021 - proceedings.mlr.press
We perform a rigorous study of private matrix analysis when only the last $ W $ updates to
matrices are considered useful for analysis. We show the existing framework in the non …