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Dok-Yun Lee

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#generative ai Open access Sep 2026

The Generative AI Divide: A Descriptive Analysis of Heterogeneous Adaptation Among Knowledge Contributors

Heterogeneity exists in how contributors responded, it is constrained: no group escaped the downward trajectory, and potential interpretations for the evolving dynamics of knowledge sharing as generative AI reshapes participation across online communities are discussed.

Jaeyoon Song, Arman Vossoughi, Hong-Zun Zhang et al. · 0 citations
#machine learning Review Aug 2026

Item-Mean Surrogates: Why Richer Persona Data Fail to Improve LLMs as Human Surrogates

LLMs are increasingly used as human surrogates, often on the premise that richer persona data could make them substitutes or exploratory tools for specific individuals. We test this premise across four datasets covering more than 400,000 participants and more than 6,000 survey items and experimental outcomes. LLMs perf...

Daehwan Ahn, Chengfeng Mao, Dok-Yun Lee · 0 citations

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