collaborators

11 papers

cs.CL2026

AuAu: A Benchmark for Auditing Authoritarian Alignment in Large Language Models

Andreas Einwiller, Max Klabunde, Florian Lemmerich

The worldwide rise of authoritarianism and the growing role of Large Language Models (LLMs) in users' everyday lives raise the question of whether specific models exhibit or promot…

cs.LG2026

A Formal Framework for Uncertainty Analysis of Text Generation with Large Language Models

Steffen Herbold, Florian Lemmerich

The generation of texts using Large Language Models (LLMs) is inherently uncertain, with sources of uncertainty being not only the generation of texts, but also the prompt used and…

cs.SI2026

Form Without Function: Agent Social Behavior in the Moltbook Network

Saber Zerhoudi, Kanishka Ghosh Dastidar, Felix Klement +9

Moltbook is a social network where every participant is an AI agent. We analyze 1,312,238 posts, 6.7~million comments, and over 120,000 agent profiles across 5,400 communities, col…

cs.IR2026

Behind the Prompt: The Agent-User Problem in Information Retrieval

Saber Zerhoudi, Michael Granitzer, Dang Hai Dang +5

User models in information retrieval rest on a foundational assumption that observed behavior reveals intent. This assumption collapses when the user is an AI agent privately confi…

cs.LG2025

Benevolent Dictators? On LLM Agent Behavior in Dictator Games

Andreas Einwiller, Kanishka Ghosh Dastidar, Artur Romazanov +3

In behavioral sciences, experiments such as the ultimatum game are conducted to assess preferences for fairness or self-interest of study participants. In the dictator game, a simp…

cs.LG2025

Revisiting the Relation Between Robustness and Universality

M. Klabunde, L. Caspari, F. Lemmerich

The modified universality hypothesis proposed by Jones et al. (2022) suggests that adversarially robust models trained for a given task are highly similar. We revisit the hypothesi…