activity
20192026
most citedA Survey on Federated Learning Systems: Vision, Hype and Reality for Data Privacy and Protection

1.4k citations · 1.5k across the 21 of their papers we have counts for

collaborators

22 papers

cs.LG2026

LongCounsel-8: A Benchmark Suite for Longitudinal Depression Tracking from Multi-Session Counseling Dialogues

Jiayi Li, Zhaomin Wu, Bingsheng He

Tracking depression from multi-session counseling dialogues requires estimating both current symptom severity and how it changes across sessions. Yet progress on this task is const…

cs.IR2026

CrossAlpha: An Annual-Report Benchmark for Cross-Market Factor Research (with LLM Agents)

Qian Wang, Zhongyi Tong, Nuo Chen +2

Cross-market factor research studies whether firm-level signals from one or more markets can predict returns in a target market, but existing public benchmarks do not support cross…

cs.LG2026

EmoTrack: Clinical-Semantic Modeling for Text-Based Depression Severity Estimation

Zhaomin Wu, Jiayi Li, Bingsheng He

Text-based counseling provides a valuable source of information for assessing depression severity. We study prediction of the total score on the eight-item Patient Health Questionn…

cs.CR2026

ProtegoFed: Backdoor-Free Federated Instruction Tuning with Interspersed Poisoned Data

Haodong Zhao, Jinming Hu, Zhaomin Wu +7

Federated Instruction Tuning (FIT) enables collaborative instruction tuning of large language models across multiple organizations (clients) in a cross-silo setting without requiri…

cs.LG2026

Reinforcement Fine-Tuning for History-Aware Dense Retriever in RAG

Yicheng Zhang, Zhen Qin, Zhaomin Wu +2

Retrieval-augmented generation (RAG) enables large language models (LLMs) to produce evidence-based responses, and its performance hinges on the matching between the retriever and…

cs.LG2025

LLM DNA: Tracing Model Evolution via Functional Representations

Zhaomin Wu, Haodong Zhao, Ziyang Wang +3

The explosive growth of large language models (LLMs) has created a vast but opaque landscape: millions of models exist, yet their evolutionary relationships through fine-tuning, di…

cs.AI2025

Reasoning or Rambling? Exploring the Effect of Thinking on Agent Persuasion

Haodong Zhao, Jidong Li, Zhaomin Wu +4

Understanding persuasion is critical for the safety and reliability of multi-agent systems built on large language models (LLMs). This paper studies persuasion dynamics by contrast…

cs.LG2025

Beyond Prompt-Induced Lies: Investigating LLM Deception on Benign Prompts

Zhaomin Wu, Mingzhe Du, See-Kiong Ng +1

Large Language Models (LLMs) are widely deployed in reasoning, planning, and decision-making tasks, making their trustworthiness critical. A significant and underexplored risk is i…

cs.DB2025

WikiDBGraph: A Data Management Benchmark Suite for Collaborative Learning over Database Silos

Zhaomin Wu, Ziyang Wang, Bingsheng He

Relational databases are often fragmented across organizations, creating data silos that hinder distributed data management and mining. Collaborative learning (CL) -- techniques th…

cs.LG2025

Mining Intrinsic Rewards from LLM Hidden States for Efficient Best-of-N Sampling

Jizhou Guo, Zhaomin Wu, Hanchen Yang +1

Best-of-N sampling is a powerful method for improving Large Language Model (LLM) performance, but it is often limited by its dependence on massive, text-based reward models. These…

cs.LG2025★ 1 cited

Learning Relational Tabular Data without Shared Features

Zhaomin Wu, Shida Wang, Ziyang Wang +1

Learning relational tabular data has gained significant attention recently, but most studies focus on single tables, overlooking the potential of cross-table learning. Cross-table…

cs.LG2025

Vertical Federated Learning in Practice: The Good, the Bad, and the Ugly

Zhaomin Wu, Zhen Qin, Junyi Hou +4

Vertical Federated Learning (VFL) is a privacy-preserving collaborative learning paradigm that enables multiple parties with distinct feature sets to jointly train machine learning…

cs.LG2024

Personalized Federated Fine-Tuning for LLMs via Data-Driven Heterogeneous Model Architectures

Yicheng Zhang, Zhen Qin, Zhaomin Wu +2

Large language models (LLMs) are increasingly powering web-based applications, whose effectiveness relies on fine-tuning with large-scale instruction data. However, such data often…

cs.LG2024★ 2 cited

Federated Transformer: Multi-Party Vertical Federated Learning on Practical Fuzzily Linked Data

Zhaomin Wu, Junyi Hou, Yiqun Diao +1

Federated Learning (FL) is an evolving paradigm that enables multiple parties to collaboratively train models without sharing raw data. Among its variants, Vertical Federated Learn…

cs.LG2024

Federated Data-Efficient Instruction Tuning for Large Language Models

Zhen Qin, Zhaomin Wu, Bingsheng He +1

Instruction tuning is a crucial step in improving the responsiveness of pretrained large language models (LLMs) to human instructions. Federated learning (FL) helps to exploit the…

cs.LG2024

Model-based Large Language Model Customization as Service

Zhaomin Wu, Jizhou Guo, Junyi Hou +3

Prominent Large Language Model (LLM) services from providers like OpenAI and Google excel at general tasks but often underperform on domain-specific applications. Current customiza…

cs.LG2023★ 2 cited

VertiBench: Advancing Feature Distribution Diversity in Vertical Federated Learning Benchmarks

Zhaomin Wu, Junyi Hou, Bingsheng He

Vertical Federated Learning (VFL) is a crucial paradigm for training machine learning models on feature-partitioned, distributed data. However, due to privacy restrictions, few pub…

cs.CR2022★ 27 cited

Practical Vertical Federated Learning with Unsupervised Representation Learning

Zhaomin Wu, Qinbin Li, Bingsheng He

As societal concerns on data privacy recently increase, we have witnessed data silos among multiple parties in various applications. Federated learning emerges as a new learning pa…

cs.LG2021★ 6 cited

A Coupled Design of Exploiting Record Similarity for Practical Vertical Federated Learning

Zhaomin Wu, Qinbin Li, Bingsheng He

Federated learning is a learning paradigm to enable collaborative learning across different parties without revealing raw data. Notably, vertical federated learning (VFL), where pa…

cs.LG2020★ 46 cited

The OARF Benchmark Suite: Characterization and Implications for Federated Learning Systems

Sixu Hu, Yuan Li, Xu Liu +3

This paper presents and characterizes an Open Application Repository for Federated Learning (OARF), a benchmark suite for federated machine learning systems. Previously available b…

cs.LG2019★ 8 cited

Privacy-Preserving Gradient Boosting Decision Trees

Qinbin Li, Zhaomin Wu, Zeyi Wen +1

The Gradient Boosting Decision Tree (GBDT) is a popular machine learning model for various tasks in recent years. In this paper, we study how to improve model accuracy of GBDT whil…

cs.LG2019★ 1.4k cited

A Survey on Federated Learning Systems: Vision, Hype and Reality for Data Privacy and Protection

Qinbin Li, Zeyi Wen, Zhaomin Wu +5

Federated learning has been a hot research topic in enabling the collaborative training of machine learning models among different organizations under the privacy restrictions. As…