Tung Sum Thomas Kwok

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20242026

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cs.CL2026

MedFabric: Gold Evidence Hides the Difficulty of Word-Level Medical Fabrication Detection

Tung Sum Thomas Kwok, Qian Qian, Xiaofeng Lin +8

Large language models fabricate in medicine, producing fluent statements that are factually wrong, so reliable fabrication detection is a prerequisite for clinical deployment. Repo…

cs.CL2025

$R^{2} R$ : A Route-to-Rerank Post-Training Framework for Multi-Domain Decoder-Only Rerankers

Xinyu Wang, Hanwei Wu, Qingchen Hu +13

Decoder-only rerankers are central to Retrieval-Augmented Generation (RAG). However, generalist models miss domain-specific nuances in high-stakes fields like finance and law, and…

MedFabric: Gold Evidence Hides the Difficulty of Word-Level Medical Fabrication Detection

R2R: A Route-to-Rerank Post-Training Framework for Multi-Domain Decoder-Only Rerankers

$R^{2} R$ : A Route-to-Rerank Post-Training Framework for Multi-Domain Decoder-Only Rerankers