TextTrojaners at CheckThat! 2024: Robustness of Credibility Assessment with Adversarial Examples through BeamAttack. - David Guzman Piedrahita; Arnisa Fazla; Lucas Krauter (CLEF (Working Notes), 2024)

Robustness of Misinformation Classification Systems to Adversarial Examples Through BeamAttack. - Arnisa Fazla; Lucas Krauter; David Guzman Piedrahita; Andrianos Michail (CLEF, 2025)

When Ethics and Payoffs Diverge: LLM Agents in Morally Charged Social Dilemmas. - Steffen Backmann; David Guzman Piedrahita; Emanuel Tewolde; Rada Mihalcea; Bernhard Schölkopf; Zhijing Jin 001 (CoRR, 2025)

Are Language Models Consequentialist or Deontological Moral Reasoners? - Keenan Samway; Max Kleiman-Weiner; David Guzman Piedrahita; Rada Mihalcea; Bernhard Schölkopf; Zhijing Jin 001 (CoRR, 2025)

Democratic or Authoritarian? Probing a New Dimension of Political Biases in Large Language Models. - David Guzman Piedrahita; Irene Strauss; Bernhard Schölkopf; Rada Mihalcea; Zhijing Jin 001 (CoRR, 2025)

Corrupted by Reasoning: Reasoning Language Models Become Free-Riders in Public Goods Games. - David Guzman Piedrahita; Yongjin Yang; Mrinmaya Sachan; Giorgia Ramponi; Bernhard Schölkopf; Zhijing Jin 001 (CoRR, 2025)