activity
20242026
most citedWPO: Enhancing RLHF with Weighted Preference Optimization

2 citations · 2 across the 13 of their papers we have counts for

collaborators

14 papers

cs.AI2026

An Empirical Study of Harness Design for Coding Agents

Run-Ze Fan, Zihao Zhang, Simin Ma +6

Coding harnesses shape how autonomous coding agents translate model capabilities into long-horizon software-engineering performance, yet existing work typically evaluates harnesses…

cs.LG2026

Safety-Regulated Transfer Reinforcement Learning with Adaptive Teacher Guidance

Wenjie Huang, Yang Li, Jingjia Teng +5

We propose Safety-Regulated Adaptive Transfer Reinforcement Learning (SRATRL), a teacher--student framework that combines safety-triggered intervention, safety-adaptive value shapi…

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.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.CV2025

VC4VG: Optimizing Video Captions for Text-to-Video Generation

Yang Du, Zhuoran Lin, Kaiqiang Song +5

Recent advances in text-to-video (T2V) generation highlight the critical role of high-quality video-text pairs in training models capable of producing coherent and instruction-alig…

cs.MA2025

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.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…

cs.CL2025

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.CL2025

LogicIF: Towards Complex Logic Instruction Following

Mian Zhang, Shujian Liu, Sixun Dong +9

Instruction following has catalyzed the recent era of Large Language Models (LLMs) and is the foundational skill underpinning more advanced capabilities such as reasoning and agent…

cs.CL2025

Composing Policy Gradients and Prompt Optimization for Language Model Programs

Noah Ziems, Dilara Soylu, Lakshya A Agrawal +10

Group Relative Policy Optimization (GRPO) has proven to be an effective tool for post-training language models (LMs). However, AI systems are increasingly expressed as modular prog…

cs.LG2024

Instructional Segment Embedding: Improving LLM Safety with Instruction Hierarchy

Tong Wu, Shujian Zhang, Kaiqiang Song +7

Large Language Models (LLMs) are susceptible to security and safety threats, such as prompt injection, prompt extraction, and harmful requests. One major cause of these vulnerabili…

cs.CL2024

Improving Multilingual Instruction Finetuning via Linguistically Natural and Diverse Datasets

Sathish Reddy Indurthi, Wenxuan Zhou, Shamil Chollampatt +4

Advancements in Large Language Models (LLMs) have significantly enhanced instruction-following capabilities. However, most Instruction Fine-Tuning (IFT) datasets are predominantly…

cs.CL2024★ 2 cited

WPO: Enhancing RLHF with Weighted Preference Optimization

Wenxuan Zhou, Ravi Agrawal, Shujian Zhang +5

Reinforcement learning from human feedback (RLHF) is a promising solution to align large language models (LLMs) more closely with human values. Off-policy preference optimization,…