activity
20202024
most citedRandomized Stochastic Variance-Reduced Methods for Multi-Task Stochastic Bilevel Optimization

4 citations · 4 across the 2 of their papers we have counts for

collaborators

5 papers

cs.LG2024

Communication-Efficient Federated Group Distributionally Robust Optimization

Zhishuai Guo, Tianbao Yang

Federated learning faces challenges due to the heterogeneity in data volumes and distributions at different clients, which can compromise model generalization ability to various di…

math.OC20214 cited

Randomized Stochastic Variance-Reduced Methods for Multi-Task Stochastic Bilevel Optimization

Zhishuai Guo, Quanqi Hu, Lijun Zhang +1

In this paper, we consider non-convex stochastic bilevel optimization (SBO) problems that have many applications in machine learning. Although numerous studies have proposed stocha…

cs.LG2021

Federated Deep AUC Maximization for Heterogeneous Data with a Constant Communication Complexity

Zhuoning Yuan, Zhishuai Guo, Yi Xu +2

Deep AUC (area under the ROC curve) Maximization (DAM) has attracted much attention recently due to its great potential for imbalanced data classification. However, the research on…

cs.DC2020

Communication-Efficient Distributed Stochastic AUC Maximization with Deep Neural Networks

Zhishuai Guo, Mingrui Liu, Zhuoning Yuan +3

In this paper, we study distributed algorithms for large-scale AUC maximization with a deep neural network as a predictive model. Although distributed learning techniques have been…

cs.LG2020

Revisiting SGD with Increasingly Weighted Averaging: Optimization and Generalization Perspectives

Zhishuai Guo, Yan Yan, Tianbao Yang

Stochastic gradient descent (SGD) has been widely studied in the literature from different angles, and is commonly employed for solving many big data machine learning problems. How…