activity
20192026
most citedFederated Nonconvex Sparse Learning

5 citations · 6 across the 7 of their papers we have counts for

collaborators

10 papers

cs.AI2026

A Low-Latency Fraud Detection Layer for Detecting Adversarial Interaction Patterns in LLM-Powered Agents

Sheldon Yu, Yingcheng Sun, Hanqing Guo +1

Large Language Model (LLM)-powered agents demonstrate strong capabilities in autonomous task execution, tool use, and multi-step reasoning. However, their increasing autonomy also…

cs.LG2026

GEM-Style Constraints for PEFT with Dual Gradient Projection in LoRA

Brian Tekmen, Jason Yin, Qianqian Tong

Full fine-tuning of Large Language Models (LLMs) is computationally costly, motivating Continual Learning (CL) approaches that utilize parameter-efficient adapters. We revisit Grad…

cs.AI2025

LLM-Powered AI Agent Systems and Their Applications in Industry

Guannan Liang, Qianqian Tong

The emergence of Large Language Models (LLMs) has reshaped agent systems. Unlike traditional rule-based agents with limited task scope, LLM-powered agents offer greater flexibility…

stat.ML2024

Stochastic Variance-Reduced Iterative Hard Thresholding in Graph Sparsity Optimization

Derek Fox, Samuel Hernandez, Qianqian Tong

Stochastic optimization algorithms are widely used for large-scale data analysis due to their low per-iteration costs, but they often suffer from slow asymptotic convergence caused…

math.OC2021★ 1 cited

Escaping Saddle Points with Stochastically Controlled Stochastic Gradient Methods

Guannan Liang, Qianqian Tong, Chunjiang Zhu +1

Stochastically controlled stochastic gradient (SCSG) methods have been proved to converge efficiently to first-order stationary points which, however, can be saddle points in nonco…

cs.LG2020★ 5 cited

Federated Nonconvex Sparse Learning

Qianqian Tong, Guannan Liang, Tan Zhu +1

Nonconvex sparse learning plays an essential role in many areas, such as signal processing and deep network compression. Iterative hard thresholding (IHT) methods are the state-of-…