3 papers
cs.AI2025
Explaining Tournament Solutions with Minimal Supports
Clément Contet, Umberto Grandi, Jérôme Mengin
Tournaments are widely used models to represent pairwise dominance between candidates, alternatives, or teams. We study the problem of providing certified explanations for why a ca…
cs.CY2025
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…
cs.AI2024
Abductive and Contrastive Explanations for Scoring Rules in Voting
Clément Contet, Umberto Grandi, Jérôme Mengin
We view voting rules as classifiers that assign a winner (a class) to a profile of voters' preferences (an instance). We propose to apply techniques from formal explainability, mos…