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Feng He

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#artificial intelligence Preprint Oct 2026

PHRBench: A Behavioral Evaluation of Post-Hallucination Reasoning in LLMs

PHRBench is introduced, a controlled benchmark for behaviorally structured PHR across four domains and 18 large language models, and it is found that properties of the hallucinated prompt contain substantial predictive signal for successful recovery, with a lightweight predictor achieving an AUROC of 0.847.

Ling-Hao Meng, Feng He, Xuan Yang et al. · 0 citations
Preprint Jul 2026

HIVE: Understanding Post-Hallucination Reasoning in Vision Language Models

This work studies Post Hallucination Reasoning (PHR), the stage in which hallucinated semantics enter the model's inference context and influence downstream predictions, and introduces HIVE, Hallucination Inference and Verification Engine, an evaluation infrastructure that enables controlled comparisons between faithfu...

Feng He, Zhenting Wang, Qifan Wang et al. · 1 citation

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