collaborators

9 papers

cs.CL2026

ARES: Automated Rubric Synthesis for Scalable LLM Reinforcement Learning

Xiaoyuan Li, Keqin Bao, Moxin Li +5

Rubric-based rewards offer a promising way to extend reinforcement learning (RL) for large language models beyond tasks with automatically verifiable answers. However, scaling rubr…

cs.CL2026

Unified Data Selection for LLM Reasoning

Xiaoyuan Li, Yubo Ma, Chengpeng Li +6

Effectively training Large Language Models (LLMs) for complex, long-CoT reasoning is often bottlenecked by the need for massive high-quality reasoning data. Existing methods are ei…

cs.CL2026

MTR-Bench: A Comprehensive Benchmark for Multi-Turn Reasoning Evaluation

Xiaoyuan Li, Keqin Bao, Yubo Ma +6

Recent advances in Large Language Models (LLMs) have shown promising results in complex reasoning tasks. However, current evaluations predominantly focus on single-turn reasoning s…

cs.CL2026

SkillGraph: Skill-Augmented Reinforcement Learning for Agents via Evolving Skill Graphs

Xiaoyuan Li, Moxin Li, Keqin Bao +4

Skill libraries enable large language model agents to reuse experience from past interactions, but most existing libraries store skills as isolated entries and retrieve them only b…

cs.CL2026

SAGE: Scalable Automated Robustness Augmentation for LLM Knowledge Evaluation

Xiaoyuan Li, Yuzhe Wang, Moxin Li +6

Large Language Models (LLMs) achieve strong performance on standard knowledge evaluation benchmarks, yet recent work shows that their knowledge capabilities remain brittle under qu…

cs.CL2026

On Predicting the Post-training Potential of Pre-trained LLMs

Xiaoyuan Li, Yubo Ma, Kexin Yang +5

The performance of Large Language Models (LLMs) on downstream tasks is fundamentally constrained by the capabilities acquired during pre-training. However, traditional benchmarks l…