activity
20242026
collaborators

20 papers

cs.CL2026

Can Factual Opinions Be Edited (Manipulated) in Large Language Models?

Yuanpu Cao, Ziyi Yin, Fenglong Ma +1

Large Language Models (LLMs) are increasingly integrated into various domains, making knowledge editing techniques crucial yet potentially hazardous. Current editing methods primar…

cs.LG2026

ParaBlock: Communication-Computation Parallel Block Coordinate Federated Learning for Large Language Models

Yujia Wang, Yuanpu Cao, Jinghui Chen

Federated learning (FL) has been extensively studied as a privacy-preserving training paradigm. Recently, federated block coordinate descent scheme has become a popular option in t…

cs.LG2026

ForecastCompass: Guiding Agentic Forecasting with Adaptive Factor Memory

Yurui Chang, Yongkang Du, Yuanpu Cao +2

Agentic forecasting is important for decision-making in dynamic environments, but it remains challenging because agents must reason from incomplete, time-limited evidence and produ…

cs.LG2026

Restoring the Sweet Spot: Pass-Rate Weighted Self-Distillation for LLM Reasoning

Zehao Liu, Yuanpu Cao, Jinghui Chen +1

Self-Distillation Policy Optimization (SDPO) provides dense token-level credit assignment for reinforcement learning with large language models by leveraging the model's own feedba…

cs.AI2026

SkillGrad: Optimizing Agent Skills Like Gradient Descent

Hanyu Wang, Yifan Lan, Bochuan Cao +2

Agent skills provide a lightweight way to adapt LLM agents to specialized domains by storing reusable procedural knowledge in structured files. However, whether downloaded from thi…

cs.LG2026

The Illusion of Reasoning: Exposing Evasive Data Contamination in LLMs via Zero-CoT Truncation

Yifan Lan, Yuanpu Cao, Hanyu Wang +2

Large language models (LLMs) have demonstrated impressive reasoning abilities across a wide range of tasks, but data contamination undermines the objective evaluation of these capa…