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cs.AI2026
Characterizing Necessary Losers to Explain Tournaments Losers
Contet Clément, Umberto Grandi, Jérôme Mengin
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 o…
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…