collaborators

5 papers

cs.LG2026

Breaking Model Lock-in: Cost-Efficient Zero-Shot LLM Routing via a Universal Latent Space

Cheng Yan, Wuyang Zhang, Zhiyuan Ning +5

The rapid proliferation of Large Language Models (LLMs) has led to a fragmented and inefficient ecosystem, a state of ``model lock-in'' where seamlessly integrating novel models re…

cs.CL2025

HAD: HAllucination Detection Language Models Based on a Comprehensive Hallucination Taxonomy

Fan Xu, Xinyu Hu, Zhenghan Yu +6

The increasing reliance on natural language generation (NLG) models, particularly large language models, has raised concerns about the reliability and accuracy of their outputs. A…

cs.CL2025

JointCQ: Improving Factual Hallucination Detection with Joint Claim and Query Generation

Fan Xu, Huixuan Zhang, Zhenliang Zhang +2

Current large language models (LLMs) often suffer from hallucination issues, i,e, generating content that appears factual but is actually unreliable. A typical hallucination detect…

cs.CL2025

MMA-ASIA: A Multilingual and Multimodal Alignment Framework for Culturally-Grounded Evaluation

Weihua Zheng, Zhengyuan Liu, Tanmoy Chakraborty +32

Large language models (LLMs) are now used worldwide, yet their multimodal understanding and reasoning often degrade outside Western, high-resource settings. We propose MMA-ASIA, a…

cs.CL2025

C-FAITH: A Chinese Fine-Grained Benchmark for Automated Hallucination Evaluation

Xu Zhang, Zhifei Liu, Jiahao Wang +4

Despite the rapid advancement of large language models, they remain highly susceptible to generating hallucinations, which significantly hinders their widespread application. Hallu…