Author

Umberto Grandi

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#artificial intelligence Aug 2025

Algorithmic Shortlisting in Participatory Budgeting

This work designs and test privacy-preserving methods for algorithmic shortlisting and proposes a vote-based pipeline that enables state-of-the-art LLMs to perform on par with classical machine learning.

J. Zambrano, Clément Contet, Jairo Gudiño-Rosero et al. · Proceedings of the AAAI/ACM... · 0 citations

#artificial intelligence Preprint Aug 2026

Characterizing Necessary Losers to Explain Tournaments Solutions

We study the problem of formally explaining why a candidate was not selected by a given tournament rule, by identifying sub-tournaments in which the candidate loses independently of how the rest of the tournament is completed. We define destructive minimal supports as any minimal sub-tournament satisfying this property...

Contet Clément, Umberto Grandi, J. Mengin · 0 citations