collaborators

5 papers

cs.CL2026

Optimizing RAG Rerankers with LLM Feedback via Reinforcement Learning

Yuhang Wu, Xiangqing Shen, Fanfan Wang +4

Rerankers play a pivotal role in refining retrieval results for Retrieval-Augmented Generation. However, current reranking models are typically optimized on static human annotated…

cs.AI2026

Recognize Your Orchestrator: An Entropy Dynamics Perspective for LLM Multi-Agent Systems

Junze Zhu, Weihao Chen, Xuanwang Zhang +2

The transition from single-turn models to Multi-Agent Systems (MAS) promises enhanced problem-solving capabilities, yet the centralized orchestration topology remains a critical po…

cs.IR2026

WebNavigator: Global Web Navigation via Interaction Graph Retrieval

Xuanwang Zhang, Yuteng Han, Jinnan Qi +3

Despite significant advances in autonomous web navigation, current methods remain far from human-level performance in complex web environments. We argue that this limitation stems…

cs.AI2025

TrustJudge: Inconsistencies of LLM-as-a-Judge and How to Alleviate Them

Yidong Wang, Yunze Song, Tingyuan Zhu +11

The adoption of Large Language Models (LLMs) as automated evaluators (LLM-as-a-judge) has revealed critical inconsistencies in current evaluation frameworks. We identify two fundam…

cs.CL2025

RealBench: A Chinese Multi-image Understanding Benchmark Close to Real-world Scenarios

Fei Zhao, Chengqiang Lu, Yufan Shen +9

While various multimodal multi-image evaluation datasets have been emerged, but these datasets are primarily based on English, and there has yet to be a Chinese multi-image dataset…