Abstract
Large language models have shown strong potential as role-playing agents for real individuals, yet faithful impersonating remains challenging. Existing in-context learning-based methods fail to capture how individuals react under different situations. In addition, LLM-based evaluation is difficult for obscure individuals. To address these challenges, we propose Situation--Internal state--Behavior Persona method to incorporate situation-dependent behavioral strategies. We further design an evaluation protocol that provides LLM evaluators with references about the impersonated individual. We evaluate our approach on a newly constructed dataset for the task of generating replies on social media. Experimental results show that our proposed method outperforms state-of-the-art ICL-based baselines, while our evaluation protocol achieves moderate correlation with human judgment. Besides, experiments on fictional-character benchmarks demonstrate that our proposed method is applicable beyond the social media setting. These findings suggest that incorporating behavioral information broadly improves the fidelity of role-playing for real individuals on social media or fictional characters.
Keywords
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Publication details
- Journal
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- Open access
- Green open access
Cite this article
APA 7
Peng, J. L., Zhang, Y. Z., Chou, C. N., & Chen, Y. N. (2026). From Memory to Behavior: A Behavior-Aware Role-Playing Framework for Social Media Influencers. https://omanscience.com/en/articles/from-memory-to-behavior-a-behavior-aware-role-playing-framework-for-social-media-influencers
MLA 9
Peng, Ji-Lun, et al. "From Memory to Behavior: A Behavior-Aware Role-Playing Framework for Social Media Influencers." https://omanscience.com/en/articles/from-memory-to-behavior-a-behavior-aware-role-playing-framework-for-social-media-influencers.
Chicago (author–date)
Peng, Ji-Lun, Yi-Zhen Zhang, Chun-Nan Chou, and Yun-Nung Chen. 2026. "From Memory to Behavior: A Behavior-Aware Role-Playing Framework for Social Media Influencers." https://omanscience.com/en/articles/from-memory-to-behavior-a-behavior-aware-role-playing-framework-for-social-media-influencers.
Harvard
Peng, J. L., Zhang, Y. Z., Chou, C. N. and Chen, Y. N. (2026) 'From Memory to Behavior: A Behavior-Aware Role-Playing Framework for Social Media Influencers', Available at: https://omanscience.com/en/articles/from-memory-to-behavior-a-behavior-aware-role-playing-framework-for-social-media-influencers.
Vancouver
Peng JL, Zhang YZ, Chou CN, Chen YN. From Memory to Behavior: A Behavior-Aware Role-Playing Framework for Social Media Influencers. https://omanscience.com/en/articles/from-memory-to-behavior-a-behavior-aware-role-playing-framework-for-social-media-influencers
IEEE
J. L. Peng, Y. Z. Zhang, C. N. Chou, and Y. N. Chen, "From Memory to Behavior: A Behavior-Aware Role-Playing Framework for Social Media Influencers," https://omanscience.com/en/articles/from-memory-to-behavior-a-behavior-aware-role-playing-framework-for-social-media-influencers.