[HTML][HTML] Improved metric distortion via threshold approvals

E Anshelevich, A Filos-Ratsikas, C Jerrett… - Artificial Intelligence, 2025 - Elsevier
We consider a social choice setting in which agents and alternatives are represented by
points in a metric space, and the cost of an agent for an alternative is the distance between …

[PDF][PDF] Every bit helps: Achieving the optimal distortion with a few queries

S Ebadian, N Shah - Proceedings of the 39th Annual AAAI …, 2025 - cs.toronto.edu
A fundamental task in multi-agent systems is to match n agents to n alternatives (eg,
resources or tasks). Often, this is accomplished by eliciting agents' ordinal rankings over the …

[HTML][HTML] Metric distortion of obnoxious distributed voting

AA Voudouris - Information Processing Letters, 2025 - Elsevier
We consider a distributed voting problem with a set of agents that are partitioned into disjoint
groups and a set of obnoxious alternatives. Agents and alternatives are represented by …

Decoding Distortion: Pushing the Limits of Optimal Collective Decision-Making

M Latifian - 2024 - search.proquest.com
A fundamental question in social choice theory and multi-agent systems is how to aggregate
individual agents' preferences to make a prudent collective decision. A promising line of …