activity
20242026
collaborators

7 papers

cs.CL2026

Mixture-of-Retrieval Experts for Reasoning-Guided Multimodal Knowledge Exploitation

Chunyi Peng, Zhipeng Xu, Zhenghao Liu +7

Multimodal Retrieval-Augmented Generation (MRAG) has shown promise in mitigating hallucinations in Multimodal Large Language Models (MLLMs) by incorporating external knowledge. How…

cs.IR2025

Learning Refined Document Representations for Dense Retrieval via Deliberate Thinking

Yifan Ji, Zhipeng Xu, Zhenghao Liu +7

Recent dense retrievers increasingly leverage the robust text understanding capabilities of Large Language Models (LLMs), encoding queries and documents into a shared embedding spa…

cs.CL2025

MiniCPM4: Ultra-Efficient LLMs on End Devices

MiniCPM Team, Chaojun Xiao, Yuxuan Li +80

This paper introduces MiniCPM4, a highly efficient large language model (LLM) designed explicitly for end-side devices. We achieve this efficiency through systematic innovation in…

cs.IR2025

UltraRAG: A Modular and Automated Toolkit for Adaptive Retrieval-Augmented Generation

Yuxuan Chen, Dewen Guo, Sen Mei +12

Retrieval-Augmented Generation (RAG) significantly enhances the performance of large language models (LLMs) in downstream tasks by integrating external knowledge. To facilitate res…

cs.CL2025

RAGEval: Scenario Specific RAG Evaluation Dataset Generation Framework

Kunlun Zhu, Yifan Luo, Dingling Xu +10

Retrieval-Augmented Generation (RAG) is a powerful approach that enables large language models (LLMs) to incorporate external knowledge. However, evaluating the effectiveness of RA…

cs.IR2024

Large Language Models as Evaluators for Recommendation Explanations

Xiaoyu Zhang, Yishan Li, Jiayin Wang +4

The explainability of recommender systems has attracted significant attention in academia and industry. Many efforts have been made for explainable recommendations, yet evaluating…