activity
20242026
collaborators

7 papers

cs.LG2026

RTMC: Step-Level Credit Assignment via Rollout Trees

Tao Wang, Suhang Zheng, Xiaoxiao Xu

Multi-step agentic reinforcement learning benefits from fine-grained credit assignment, yet existing approaches offer limited options: critic-free methods like GRPO assign a unifor…

cs.AI2026

Let It Flow: Agentic Crafting on Rock and Roll, Building the ROME Model within an Open Agentic Learning Ecosystem

Weixun Wang, XiaoXiao Xu, Wanhe An +86

Agentic crafting requires LLMs to operate in real-world environments over multiple turns by taking actions, observing outcomes, and iteratively refining artifacts. Despite its impo…

cs.AI2026

Logics-STEM: Empowering LLM Reasoning via Failure-Driven Post-Training and Document Knowledge Enhancement

Mingyu Xu, Cheng Fang, Keyue Jiang +16

We present Logics-STEM, a state-of-the-art reasoning model fine-tuned on Logics-STEM-SFT-Dataset, a high-quality and diverse dataset at 10M scale that represents one of the largest…

cs.CL2025

ToReMi: Topic-Aware Data Reweighting for Dynamic Pre-Training Data Selection

Xiaoxuan Zhu, Zhouhong Gu, Baiqian Wu +5

Pre-training large language models (LLMs) necessitates enormous diverse textual corpora, making effective data selection a key challenge for balancing computational resources and m…

cs.CL2025

LITE: LLM-Impelled efficient Taxonomy Evaluation

Lin Zhang, Zhouhong Gu, Suhang Zheng +4

This paper presents LITE, an LLM-based evaluation method designed for efficient and flexible assessment of taxonomy quality. To address challenges in large-scale taxonomy evaluatio…

cs.CL2025

GAPO: Learning Preferential Prompt through Generative Adversarial Policy Optimization

Zhouhong Gu, Xingzhou Chen, Xiaoran Shi +5

Recent advances in large language models have highlighted the critical need for precise control over model outputs through predefined constraints. While existing methods attempt to…