collaborators

6 papers

cs.SI2026

Dynamics of collective minds in online communities

Seungwoong Ha, Henrik Olsson, Kresimir Jaksic +2

Collective discourse and action are driven by collective minds. These shared semantic representations and related processes shape societal responses to critical societal challenges…

cs.AI2026

Large language models replicate and predict human cooperation across experiments in game theory

Andrea Cera Palatsi, Samuel Martin-Gutierrez, Ana S. Cardenal +1

Large language models (LLMs) are increasingly deployed as decision-making agents in high-stakes domains and as imitators of human behavior in the social and behavioral sciences. Ye…

cs.SI2026

A Decade of News Forum Interactions: Threaded Conversations, Signed Votes, and Topical Tags

Emma Fraxanet, Vicenç Gómez, Vicenç Gómez +2

We present a large-scale, longitudinal dataset capturing user activity on the online platform of DerStandard, a major Austrian newspaper. The dataset spans ten years (2013-2022) an…

cs.AI2026

Neural network embeddings recover value dimensions from psychometric survey items on par with human data

Max Pellert, Clemens M. Lechner, Indira Sen +1

We demonstrate that embeddings derived from large language models, when processed with "Survey and Questionnaire Item Embeddings Differentials" (SQuID), can recover the structure o…

cs.CY2025

Only a Little to the Left: A Theory-grounded Measure of Political Bias in Large Language Models

Mats Faulborn, Indira Sen, Max Pellert +2

Prompt-based language models like GPT4 and LLaMa have been used for a wide variety of use cases such as simulating agents, searching for information, or for content analysis. For a…

cs.CY2025

Extracting Affect Aggregates from Longitudinal Social Media Data with Temporal Adapters for Large Language Models

Georg Ahnert, Max Pellert, David Garcia +1

This paper proposes temporally aligned Large Language Models (LLMs) as a tool for longitudinal analysis of social media data. We fine-tune Temporal Adapters for Llama 3 8B on full…