collaborators

7 papers

cs.CL2026

Understanding Knowledge Distillation in Post-Training: When It Helps and When It Fails

Xin Liu, Simin Ma, Shujian Liu +5

Large language models (LLMs) achieve strong performance across many tasks, but their high computational cost limits deployment in resource-constrained environments. Knowledge Disti…

cs.CL2026

LiveMCP-101: Stress Testing and Diagnosing MCP-enabled Agents on Challenging Queries

Ming Yin, Dinghan Shen, Silei Xu +11

Tool calling has emerged as a critical capability for AI agents. In contrast to conventional tool calling frameworks that rely on static, provider-specific tool definitions, the Mo…

cs.MA2026

Communication to Completion: Modeling Collaborative Workflows with Intelligent Multi-Agent Communication

Yiming Lu, Xun Wang, Simin Ma +6

Multi-agent LLM systems have demonstrated impressive capabilities in complex collaborative tasks, yet most frameworks treat communication as instantaneous and free, overlooking a f…

cs.AI2026

CM2: Reinforcement Learning with Checklist Rewards for Multi-Turn and Multi-Step Agentic Tool Use

Zhen Zhang, Kaiqiang Song, Xun Wang +11

AI agents are increasingly used to solve real-world tasks by reasoning over multi-turn user interactions and invoking external tools. However, applying reinforcement learning to su…

cs.CL2025

Aligning Multilingual Reasoning with Verifiable Semantics from a High-Resource Expert Model

Fahim Faisal, Kaiqiang Song, Song Wang +4

While reinforcement learning has advanced the reasoning abilities of Large Language Models (LLMs), these gains are largely confined to English, creating a significant performance d…

cs.AI2025

TCIA: A Task-Centric Instruction Augmentation Method for Instruction Finetuning

Simin Ma, Shujian Liu, Jun Tan +7

Diverse instruction data is vital for effective instruction tuning of large language models, as it enables the model to generalize across different types of inputs . Building such…