collaborators

18 papers

cs.CL2026

Generative Skill Composition for LLM Agents

Xinyu Zhao, Zhen Tan, Vaishnav Tadiparthi +5

Recent LLM agents benefit from skills for solving complex tasks. Skills encapsulate modular packages of procedural knowledge and instructions for performing specialized tasks, such…

cs.AI2026

LOGIGEN: Logic-Driven Generation of Verifiable Agentic Tasks

Yucheng Zeng, Weipeng Lu, Linyun Liu +9

The evolution of Large Language Models (LLMs) from static instruction-followers to autonomous agents necessitates operating within complex, stateful environments to achieve precise…

cs.AI2026

FaithCoT-Bench: Benchmarking Instance-Level Faithfulness of Chain-of-Thought Reasoning

Xu Shen, Song Wang, Zhen Tan +5

Large language models (LLMs) increasingly rely on Chain-of-Thought (CoT) prompting to improve problem-solving and provide seemingly transparent explanations. However, growing evide…

cs.AI2026

Metacognitive Self-Correction for Multi-Agent System via Prototype-Guided Next-Execution Reconstruction

Xu Shen, Qi Zhang, Song Wang +8

Large Language Model based multi-agent systems (MAS) excel at collaborative problem solving but remain brittle to cascading errors: a single faulty step can propagate across agents…

cs.CR2025

LightDefense: A Lightweight Uncertainty-Driven Defense against Jailbreaks via Shifted Token Distribution

Zhuoran Yang, Yanyong Zhang

Large Language Models (LLMs) face threats from jailbreak prompts. Existing methods for defending against jailbreak attacks are primarily based on auxiliary models. These strategies…

cs.AI2025

OR-R1: Automating Modeling and Solving of Operations Research Optimization Problem via Test-Time Reinforcement Learning

Zezhen Ding, Zhen Tan, Jiheng Zhang +1

Optimization modeling and solving are fundamental to the application of Operations Research (OR) in real-world decision making, yet the process of translating natural language prob…