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Jongwook Han

3 accepted papers

2026

Dual Mechanisms of Value Expression: Intrinsic vs. Prompted Values in Large Language Models

ICML 2026poster

Large language models can express values in two main ways: (1) $\textit{intrinsic}$ expression, reflecting the model's inherent values learned during training, and (2) $\textit{prompted}$ expression, elicited by explicit prompts. Given their widespread use in value alignment, it is paramount to clea…

Cited by 0SourceScholar
2025

PVP: An Image Dataset for Personalized Visual Persuasion with Persuasion Strategies, Viewer Characteristics, and Persuasiveness Ratings

ACL 2025long

Visual persuasion, which uses visual elements to influence cognition and behaviors, is crucial in fields such as advertising and politicalcommunication. With recent advancements in artificial intelligence, there is growing potential to develop persuasive systems that automatically generate persuasiv…

2025

Value Portrait: Assessing Language Models’ Values through Psychometrically and Ecologically Valid Items

ACL 2025long

The importance of benchmarks for assessing the values of language models has been pronounced due to the growing need of more authentic, human-aligned responses. However, existing benchmarks rely on human or machine annotations that are vulnerable to value-related biases. Furthermore, the tested scen…

Cited by 0SourcePDFScholar