activity
20202024
most citedLearning discrete distributions: user vs item-level privacy

17 citations · 43 across the 10 of their papers we have counts for

collaborators

11 papers

cs.CR2024

DPDR: Gradient Decomposition and Reconstruction for Differentially Private Deep Learning

Yixuan Liu, Li Xiong, Yuhan Liu +3

Differentially Private Stochastic Gradients Descent (DP-SGD) is a prominent paradigm for preserving privacy in deep learning. It ensures privacy by perturbing gradients with random…

cs.CR2023★ 2 cited

Echo of Neighbors: Privacy Amplification for Personalized Private Federated Learning with Shuffle Model

Yixuan Liu, Suyun Zhao, Li Xiong +2

Federated Learning, as a popular paradigm for collaborative training, is vulnerable against privacy attacks. Different privacy levels regarding users' attitudes need to be satisfie…

cs.LG2022★ 1 cited

Discrete Distribution Estimation under User-level Local Differential Privacy

Jayadev Acharya, Yuhan Liu, Ziteng Sun

We study discrete distribution estimation under user-level local differential privacy (LDP). In user-level -LDP, each user has samples and the privacy of all $…

cs.RO2022

Learning to Rearrange with Physics-Inspired Risk Awareness

Meng Song, Yuhan Liu, Zhengqin Li +1

Real-world applications require a robot operating in the physical world with awareness of potential risks besides accomplishing the task. A large part of risky behaviors arises fro…

cs.LG2022

Algorithms for bounding contribution for histogram estimation under user-level privacy

Yuhan Liu, Ananda Theertha Suresh, Wennan Zhu +2

We study the problem of histogram estimation under user-level differential privacy, where the goal is to preserve the privacy of all entries of any single user. We consider the het…

cs.SI2021

Textual Analysis of Communications in COVID-19 Infected Community on Social Media

Yuhan Liu, Yuhan Gao, Zhifan Nan +1

During the COVID-19 pandemic, people started to discuss about pandemic-related topics on social media. On subreddit \textit{r/COVID19positive}, a number of topics are discussed or…

cs.LG2021★ 16 cited

AutoFreeze: Automatically Freezing Model Blocks to Accelerate Fine-tuning

Yuhan Liu, Saurabh Agarwal, Shivaram Venkataraman

With the rapid adoption of machine learning (ML), a number of domains now use the approach of fine tuning models which were pre-trained on a large corpus of data. However, our expe…

cs.LG2021★ 7 cited

Accelerating Deep Learning Inference via Learned Caches

Arjun Balasubramanian, Adarsh Kumar, Yuhan Liu +3

Deep Neural Networks (DNNs) are witnessing increased adoption in multiple domains owing to their high accuracy in solving real-world problems. However, this high accuracy has been…

cs.IT2020

Estimating Sparse Discrete Distributions Under Local Privacy and Communication Constraints

Jayadev Acharya, Peter Kairouz, Yuhan Liu +1

We consider the problem of estimating sparse discrete distributions under local differential privacy (LDP) and communication constraints. We characterize the sample complexity for…

cs.LG2020★ 17 cited

Learning discrete distributions: user vs item-level privacy

Yuhan Liu, Ananda Theertha Suresh, Felix Yu +2

Much of the literature on differential privacy focuses on item-level privacy, where loosely speaking, the goal is to provide privacy per item or training example. However, recently…

cs.DS2020

Interactive Inference under Information Constraints

Jayadev Acharya, Clément L. Canonne, Yuhan Liu +2

We study the role of interactivity in distributed statistical inference under information constraints, e.g., communication constraints and local differential privacy. We focus on t…