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Huan Liu

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#artificial intelligence Preprint Sep 2026

Do Large Language Models Know What They Don't Know II? A Fully Behavioral, Non-Cognitive Measure of Epistemic Honesty

This work introduces the Epistemic Honesty Quotient (EHQ), which reports three observable sub-scores across two operational axes (epistemic restraint and substantive-answer calibration), and constructs EHQ-3000, a 3,000-question benchmark spanning Fabricated Entity, Post-Cutoff Event, Hyper-Niche True, and Context-Cond...

Ali Şenol, H. Bernard, Huan Liu · 2 citations
#artificial intelligence Open access May 2026

Measuring Reasoning Quality in LLMs: A Multi-Dimensional Behavioral Framework

RQEval is proposed, a unified multi-dimensional framework for measuring LLM reasoning quality from a behavioral perspective that operationalizes six theoretically grounded dimensions rooted in cognitive science and introduces deployment-aware aggregation, enabling context-specific model selection beyond accuracy-based...

Ali Şenol, Garima Agrawal, Huan Liu · 2 citations
#machine learning Preprint Sep 2026

MUGEN: Generating Unlearnable Graph Examples for Multiple Learning Tasks

This work introduces MUGEN, to its knowledge the first framework for generating unlearnable graph examples that jointly protect all enabled tasks, and devise a Task-Aligned Separability Objective (TASO), which leverages task prediction and classwise separability to strengthen unlearnability and its transfer across GNN...

Zi-Yan Liu, Chengshuai Zhao, Huan Liu · 0 citations

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