3 papers
cs.CY2026
Algorithmic Shortlisting in Participatory Budgeting
Juan Zambrano, Clément Contet, Jairo Gudiño-Rosero +3
Participatory budgeting is a democratic innovation that allows citizens to propose and vote on public investment projects. To help organizers manage large volumes of submissions, w…
cs.AI2026
Efficient Elicitation of Collective Disagreements
Mohamed Ouaguenouni, Felipe Garrido-Lucero, Umberto Grandi +2
We analyze the structure of the disagreement among a population of voters over a set of alternatives. Surveys typically ask either for pairwise comparisons, simple and intuitive fo…
cs.CY2026
Prompt Injection Vulnerability of Consensus Generating Applications in Digital Democracy
Jairo Gudiño-Rosero, Clément Contet, Umberto Grandi +1
Large Language Models (LLMs) are gaining traction as a method to generate consensus statements and aggregate preferences in digital democracy experiments. Yet, LLMs could introduce…