activity
20232026
most citedTowards Federated RLHF with Aggregated Client Preference for LLMs

3 citations · 8 across the 10 of their papers we have counts for

collaborators

12 papers

cs.CL2026

HeurEvo: Agentic Evolution of Hybrid Solver-Augmented Heuristics for Time-Critical Mathematical Optimization

Feijie Wu, Hugo Barbalho, Konstantina Mellou +5

Recent advances in agentic heuristic design use AI agents and execution feedback to automate algorithm discovery for challenging optimization problems. In many practical settings,…

cs.CL2026

Vision Wormhole: Latent-Space Communication in Heterogeneous Multi-Agent Systems

Xiaoze Liu, Ruowang Zhang, Weichen Yu +7

Heterogeneous multi-agent systems combine models with different capabilities through a common communication interface. Exchanging internal states directly requires translating betw…

cs.CL2025

PORTool: Importance-Aware Policy Optimization with Rewarded Tree for Multi-Tool-Integrated Reasoning

Feijie Wu, Weiwu Zhu, Yuxiang Zhang +5

Multi-tool-integrated reasoning enables LLM-empowered tool-use agents to solve complex tasks by interleaving natural-language reasoning with calls to external tools. However, train…

cs.LG2025

Towards Privacy-Preserving and Heterogeneity-aware Split Federated Learning via Probabilistic Masking

Xingchen Wang, Feijie Wu, Chenglin Miao +5

Split Federated Learning (SFL) has emerged as an efficient alternative to traditional Federated Learning (FL) by reducing client-side computation through model partitioning. Howeve…

cs.CL2025

SUV: Scalable Large Language Model Copyright Compliance with Regularized Selective Unlearning

Tianyang Xu, Xiaoze Liu, Feijie Wu +2

Large Language Models (LLMs) have transformed natural language processing by learning from massive datasets, yet this rapid progress has also drawn legal scrutiny, as the ability t…

cs.MA2025★ 1 cited

Talk to Right Specialists: Iterative Routing in Multi-agent Systems for Question Answering

Feijie Wu, Zitao Li, Fei Wei +3

Retrieval-augmented generation (RAG) agents are increasingly deployed to answer questions over local knowledge bases that cannot be centralized due to knowledge-sovereignty constra…

cs.DC2024★ 1 cited

FIARSE: Model-Heterogeneous Federated Learning via Importance-Aware Submodel Extraction

Feijie Wu, Xingchen Wang, Yaqing Wang +3

In federated learning (FL), accommodating clients' varied computational capacities poses a challenge, often limiting the participation of those with constrained resources in global…

cs.CL2024★ 3 cited

Towards Federated RLHF with Aggregated Client Preference for LLMs

Feijie Wu, Xiaoze Liu, Haoyu Wang +3

Reinforcement learning with human feedback (RLHF) fine-tunes a pretrained large language model (LLM) using user preference data, enabling it to generate content aligned with human…

cs.LG2024★ 2 cited

FedBiOT: LLM Local Fine-tuning in Federated Learning without Full Model

Feijie Wu, Zitao Li, Yaliang Li +2

Large language models (LLMs) show amazing performance on many domain-specific tasks after fine-tuning with some appropriate data. However, many domain-specific data are privately d…

cs.CL2024

SHIELD: Evaluation and Defense Strategies for Copyright Compliance in LLM Text Generation

Xiaoze Liu, Ting Sun, Tianyang Xu +4

Large Language Models (LLMs) have transformed machine learning but raised significant legal concerns due to their potential to produce text that infringes on copyrights, resulting…

cs.CL2024★ 1 cited

Evaluating the Factuality of Large Language Models using Large-Scale Knowledge Graphs

Xiaoze Liu, Feijie Wu, Tianyang Xu +4

The advent of Large Language Models (LLMs) has significantly transformed the AI landscape, enhancing machine learning and AI capabilities. Factuality issue is a critical concern fo…

cs.LG2023

Towards Poisoning Fair Representations

Tianci Liu, Haoyu Wang, Feijie Wu +4

Fair machine learning seeks to mitigate model prediction bias against certain demographic subgroups such as elder and female. Recently, fair representation learning (FRL) trained b…