2 code implementations • 28 May 2022 • Wei Dong, Yuting Liang, Ke Yi
In this paper, we present two new algorithms for covariance estimation under concentrated differential privacy (zCDP).
no code implementations • 15 Jan 2022 • Tong Zhang, Haohan Weng, Ke Yi, C. L. Philip Chen
Convolutional Neural Networks (CNNs) have exhibited their great power in a variety of vision tasks.
no code implementations • 5 Apr 2021 • Ziyue Huang, Yuan Qiu, Ke Yi, Graham Cormode
We study the fundamental problem of frequency estimation under both privacy and communication constraints, where the data is distributed among $k$ parties.
1 code implementation • NeurIPS 2019 • Zengfeng Huang, Ziyue Huang, Yilei Wang, Ke Yi
We consider the problem of estimating the mean of a set of vectors, which are stored in a distributed system.
no code implementations • 17 Sep 2019 • Ziyue Huang, Ke Yi
Gradient boosting decision tree (GBDT) is a powerful and widely-used machine learning model, which has achieved state-of-the-art performance in many academic areas and production environment.
1 code implementation • INFORMS 2006 • Tamraparni Dasu, Shankar Krishnan, Suresh Venkatasubramanian, Ke Yi
In this paper, we take a general, information-theoretic approach to the change detection problem, which works for multidimensional as well as categorical data.