Evaluating Committees for Representative Democracies: the Distortion and Beyond

Authors: Michał Jaworski, Piotr Skowron

IJCAI 2020 | Conference PDF | Archive PDF | Plain Text | LLM Run Details

Reproducibility Variable Result LLM Response
Research Type Experimental In this model we theoretically and experimentally assess qualities of various multiwinner election rules. [...] To this end, we performed extensive computer simulations for several natural distribution of individuals preferred outcomes. In particular, our distributions generalize and extend the polarized model, as described above.
Researcher Affiliation Academia Michał Jaworski and Piotr Skowron University of Warsaw, Poland {m.jaworski, p.skowron}@mimuw.edu.pl
Pseudocode No The paper describes algorithms in text but does not include any structured pseudocode or algorithm blocks.
Open Source Code No The paper does not provide any information or links regarding the availability of open-source code for the methodology described.
Open Datasets No The paper describes generating synthetic data based on various distributions (Impartial Culture, Polarized Balanced/Imbalanced Society, (t, ξ)-Poles) but does not provide access to a pre-existing publicly available dataset.
Dataset Splits No The paper describes running 500 experiments for each distribution but does not mention dataset splits (training, validation, test) in the typical machine learning sense.
Hardware Specification No The paper does not provide any specific details about the hardware used to run the experiments.
Software Dependencies No The paper does not provide specific software dependencies or version numbers needed to replicate the experiments.
Experiment Setup Yes In our experiments we focussed on instances with n = 500 voters, m = 100 candidates, and where the total number of issues is p = 100. We consider the following distributions of individuals preferences: Impartial Culture. [...] (ξ1, ξ2)-Polarized Balanced Society ((ξ1, ξ2)-PBS). [...] (ξ1, ξ2)-Polarized Imbalanced Society ((ξ1, ξ2)-PIS). [...] (t, ξ)-Poles. [...] For each distribution with a fixed set of parameters we ran 500 experiments; [...] The committee size is k = 31. [...] We consider three different distributions of weights: Uniform. Exponential. Binary.