Selecting the Most Conflicting Pair of Candidates
arxiv(2024)
摘要
We study committee elections from a perspective of finding the most
conflicting candidates, that is, candidates that imply the largest amount of
conflict, as per voter preferences. By proposing basic axioms to capture this
objective, we show that none of the prominent multiwinner voting rules meet
them. Consequently, we design committee voting rules compliant with our
desiderata, introducing conflictual voting rules. A subsequent deepened
analysis sheds more light on how they operate. Our investigation identifies
various aspects of conflict, for which we come up with relevant axioms and
quantitative measures, which may be of independent interest. We support our
theoretical study with experiments on both real-life and synthetic data.
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