collaborators

5 papers

cs.CL2025

From Experience to Strategy: Empowering LLM Agents with Trainable Graph Memory

Siyu Xia, Zekun Xu, Jiajun Chai +7

Large Language Models (LLMs) based agents have demonstrated remarkable potential in autonomous task-solving across complex, open-ended environments. A promising approach for improv…

cs.AI2025

MTIR-SQL: Multi-turn Tool-Integrated Reasoning Reinforcement Learning for Text-to-SQL

Zekun Xu, Siyu Xia, Chuhuai Yue +6

As large language models (LLMs) are increasingly used in Text-to-SQL tasks, Reinforcement Learning (RL) has become a common method for improving performance. Existing methods prima…

cs.CV2025

AutoPrune: Each Complexity Deserves a Pruning Policy

Hanshi Wang, Yuhao Xu, Zekun Xu +5

The established redundancy in visual tokens within large vision-language models allows pruning to effectively reduce their substantial computational demands. Previous methods typic…

cs.LG2025

RLFactory: A Plug-and-Play Reinforcement Learning Post-Training Framework for LLM Multi-Turn Tool-Use

Jiajun Chai, Guojun Yin, Zekun Xu +9

Large language models excel at basic reasoning but struggle with tasks that require interaction with external tools. We present RLFactory, a plug-and-play reinforcement learning po…

cs.IR2025

LLM-Enhanced Reranking for Complementary Product Recommendation

Zekun Xu, Yudi Zhang

Complementary product recommendation, which aims to suggest items that are used together to enhance customer value, is a crucial yet challenging task in e-commerce. While existing…