collaborators

5 papers

cs.CL2026

DeepSieve: Information Sieving via LLM-as-a-Knowledge-Router

Minghao Guo, Qingcheng Zeng, Xujiang Zhao +5

Large Language Models (LLMs) excel at many reasoning tasks but struggle with knowledge-intensive queries due to their inability to dynamically access up-to-date or domain-specific…

cs.CL2025

Toward Equitable Access: Leveraging Crowdsourced Reviews to Investigate Public Perceptions of Health Resource Accessibility

Zhaoqian Xue, Guanhong Liu, Chong Zhang +7

Monitoring health resource disparities during public health crises is critical, yet traditional methods, like surveys, lack the requisite speed and spatial granularity. This study…

cs.IR2025

Fact or Facsimile? Evaluating the Factual Robustness of Modern Retrievers

Haoyu Wu, Qingcheng Zeng, Kaize Ding

Dense retrievers and rerankers are central to retrieval-augmented generation (RAG) pipelines, where accurately retrieving factual information is crucial for maintaining system trus…

cs.CL2025

Exploring Concept Depth: How Large Language Models Acquire Knowledge and Concept at Different Layers?

Mingyu Jin, Qinkai Yu, Jingyuan Huang +10

Large language models (LLMs) have shown remarkable performances across a wide range of tasks. However, the mechanisms by which these models encode tasks of varying complexities rem…

cs.CL2025

Exploring Multilingual Probing in Large Language Models: A Cross-Language Analysis

Daoyang Li, Haiyan Zhao, Qingcheng Zeng +1

Probing techniques for large language models (LLMs) have primarily focused on English, overlooking the vast majority of the world's languages. In this paper, we extend these probin…