collaborators

7 papers

cs.CL2026

ARTIS: Agentic Risk-Aware Test-Time Scaling via Iterative Simulation

Xingshan Zeng, Lingzhi Wang, Weiwen Liu +5

Current test-time scaling (TTS) techniques enhance large language model (LLM) performance by allocating additional computation at inference time, yet they remain insufficient for a…

cs.CL2025

The Synergy Dilemma of Long-CoT SFT and RL: Investigating Post-Training Techniques for Reasoning VLMs

Jierun Chen, Tiezheng Yu, Haoli Bai +11

Large vision-language models (VLMs) increasingly adopt post-training techniques such as long chain-of-thought (CoT) supervised fine-tuning (SFT) and reinforcement learning (RL) to…

cs.CL2025

ReliableMath: Benchmark of Reliable Mathematical Reasoning on Large Language Models

Boyang Xue, Qi Zhu, Rui Wang +8

Although demonstrating remarkable performance on reasoning tasks, Large Language Models (LLMs) still tend to fabricate unreliable responses when confronted with problems that are u…

cs.CL2025

Stepwise Reasoning Checkpoint Analysis: A Test Time Scaling Method to Enhance LLMs' Reasoning

Zezhong Wang, Xingshan Zeng, Weiwen Liu +7

Mathematical reasoning through Chain-of-Thought (CoT) has emerged as a powerful capability of Large Language Models (LLMs), which can be further enhanced through Test-Time Scaling…

cs.CL2025

ToolACE-R: Model-aware Iterative Training and Adaptive Refinement for Tool Learning

Xingshan Zeng, Weiwen Liu, Xu Huang +8

Tool learning, which allows Large Language Models (LLMs) to leverage external tools for solving complex user tasks, has emerged as a promising avenue for extending model capabiliti…

cs.CL2025

DAST: Difficulty-Aware Self-Training on Large Language Models

Boyang Xue, Qi Zhu, Hongru Wang +8

Present Large Language Models (LLM) self-training methods always under-sample on challenging queries, leading to inadequate learning on difficult problems which limits LLMs' abilit…