Showing cs.CLShow all
3 papers · 1 filter
cs.CL2026
Knowledge Dependency Estimation for Reliable Question Answering
Chaodong Tong, Qi Zhang, Nannan Sun +2
Reliable question answering requires identifying not only whether an answer is correct, but also which available knowledge the prediction depends on. In realistic LLM-based QA, thi…
cs.CL2025
HaluNet: Learning Hallucination Risk from Internal Signals in LLM Question Answering
Chaodong Tong, Qi Zhang, Zhuojun Jiang +2
Large language models (LLMs) achieve strong question answering (QA) performance but can produce fluent answers unsupported by available evidence. Existing hallucination detectors o…
cs.CL2025
Semantic Reformulation Entropy for Robust Hallucination Detection in QA Tasks
Chaodong Tong, Qi Zhang, Lei Jiang +3
Reliable question answering with large language models (LLMs) is challenged by hallucinations, fluent but factually incorrect outputs arising from epistemic uncertainty. Existing e…