Large language models (LLMs) are increasingly used in the social sciences to simulate human behavior and communication, yet validation methods for these applications remain limited. Existing evaluations often rely on human judgments of plausibility, a coarse, difficult-to-scale, and often unreliable benchmark for disti...
Nicolò Pagan, Petter Törnberg, Christopher A. Bail et al.· Proceedings of the National...· 0 citations
Generative Social Simulation (GSS) leverages Large Language Models (LLMs) to create sophisticated personas that define agents with demographics, emotions, and political opinions. While prior work shows that personas compress outputs into stereotypical caricatures, there is no comprehensive study of how these caricature...
Dimitris Michailidis, Petter Törnberg, Fernando P. Santos· 0 citations
Generative AI is becoming embedded in infrastructures of knowledge, culture, and political authority, giving rise to an emerging
AI society
. This transformation did not arise
ex nihilo
: it is rooted in the platform society whose infrastructures, data, and political economies it reorganizes. The article traces t...
Petter Törnberg, J. Uitermark· Dialogues on Digital Society· 2 citations
Using 1,514,950 parliamentary speeches from 33 parliaments (2023-2026), it is shown a new politics of artificial intelligence and work is taking shape across party systems, which follows a different logic than political economy expects.
Is political incivility rising across democracies - and if so, why? Analysing approximately 13.8 million tweets from parliamentarians in 26 countries with a validated large language model, we find that the share of severe incivility nearly doubled between 2017 and 2022, from $\approx$2.7\% to $\approx$5.8\% of tweets....
This study presents an exploration of an alternative approach in which LLMs serve as external assistants rather than as agents within simulations, called XABM (eX-plainable Generative ABM), which aims to make computational modeling more interpretable and reproducible.
Xuening Tang, Petter Törnberg· International Conference on...· 0 citations
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