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Communication Dans Un Congrès Année : 2022

Preserving Consistency in Multi-Issue Liquid Democracy

Résumé

Liquid democracy bridges the gap between direct and representative democracy by allowing agents to vote directly on an issue or delegate to a trusted voter. Yet, when applied to votes on multiple interconnected issues, liquid democracy can lead agents to submit inconsistent votes. Two approaches are possible to maintain consistency: either modify the voters' ballots by ignoring problematic delegations, or resolve all delegations and make changes to the final votes of the agents. We show that rules based on minimising such changes are NP-complete. We propose instead to elicit and apply the agents' priorities over the delegated issues, designing and analysing two algorithms that find consistent votes from the agents' delegations in polynomial time.
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Dates et versions

hal-03858789 , version 1 (17-11-2022)

Identifiants

Citer

Rachael Colley, Umberto Grandi. Preserving Consistency in Multi-Issue Liquid Democracy. 31st International Joint Conference on Artificial Intelligence (IJCAI 2022), International Joint Conferences on Artificial Intelligence (IJCAI), Jul 2022, Vienna, Austria. pp.201-207, ⟨10.24963/ijcai.2022/29⟩. ⟨hal-03858789⟩
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