collaborators

5 papers

cs.LG2026

Constitutional On-Policy Safe Distillation

Ming Wen, Yuxuan Liu, Kun Yang +9

On-policy self-distillation (OPSD) has emerged as an efficient post-training paradigm by using a teacher conditioned on privileged information to provide dense token-level supervis…

cs.CR2026

BraveGuard: From Open-World Threats to Safer Computer-Use Agents

Yunhao Feng, Xiaohu Du, Xinhao Deng +13

Computer-use agents extend language models from text generation to sustained interaction with files, terminals, browsers, and external tools. This shift creates safety risks that a…

cs.AI2026

TraceGraph: Shared Decision Landscapes for Diagnosing and Improving Agent Trajectories

Junjie Nian, Kang Chen, Ge Zhang +2

Agent benchmarks increasingly record rich interaction trajectories, yet evaluation often reduces each rollout to a pass rate or reward score. We introduce TraceGraph, a graph-based…

cs.AI2026

BackdoorAgent: A Unified Framework for Backdoor Attacks on LLM-based Agents

Yunhao Feng, Yige Li, Yutao Wu +6

Large language model (LLM) agents execute tasks through multi-step workflows that combine planning, memory, and tool use. While this design enables autonomy, it also expands the at…

cs.LG2025

Optimizing Cross-Client Domain Coverage for Federated Instruction Tuning of Large Language Models

Zezhou Wang, Yaxin Du, Xingjun Ma +3

Federated domain-specific instruction tuning (FedDIT) for large language models (LLMs) aims to enhance performance in specialized domains using distributed private and limited data…