Efficient Elicitation of Collective Disagreements
The paper titled 'Efficient Elicitation of Collective Disagreements' explores how to analyze voter disagreements over alternatives. It proposes a new framework that identifies the minimal aggregated preference information needed to compute various disagreement measures. The authors introduce the plurality matrix and design elicitation protocols to estimate it, balancing participant numbers and cognitive load.
- ▪The study focuses on the structure of disagreement among voters regarding alternatives.
- ▪It introduces the plurality matrix, which generalizes pairwise comparisons.
- ▪The authors propose two elicitation protocols to estimate the plurality matrix.
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Computer Science > Artificial Intelligence arXiv:2605.19521 (cs) [Submitted on 19 May 2026] Title:Efficient Elicitation of Collective Disagreements Authors:Mohamed Ouaguenouni, Felipe Garrido-Lucero, Umberto Grandi, César Hidalgo, Magdalena Tydrichova View a PDF of the paper titled Efficient Elicitation of Collective Disagreements, by Mohamed Ouaguenouni and 4 other authors View PDF HTML (experimental) Abstract:We analyze the structure of the disagreement among a population of voters over a set of alternatives. Surveys typically ask either for pairwise comparisons, simple and intuitive for participants, or full rankings over alternatives, eliciting the entire voters' preferences.
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