In this survey, we review the literature investigating participatory budgeting as a social
choice problem. Participatory Budgeting (PB) is a democratic process in which citizens are …

When selecting a subset of candidates (a so-called committee) based on the preferences of
voters, proportional representation is often a major desideratum. When going beyond …

In the late 19th century, Swedish mathematician Edvard Phragmén proposed a load-
balancing approach for selecting committees based on approval ballots. We consider three …

We analyze how numerical experiments regarding elections were conducted within the
computational social choice literature (focusing on papers published in the IJCAI, AAAI, and …

We study the multifaceted question of how to sample approval elections in a meaningful
way. Our analysis aims to discern the properties of various statistical cultures (both …

We consider a setting where a group of individuals needs to make a number of independent
decisions. The decisions should proportionally represent the views of the voters. We …

We study a model of temporal voting where there is a fixed time horizon, and at each round
the voters report their preferences over the available candidates and a single candidate is …

We consider a voting scenario in which the resource to be voted upon may consist of both
indivisible and divisible goods. This setting generalizes both the well-studied model of …

When selecting committees based on preferences of voters, a variety of different criteria can
be considered. Two natural objectives are maximizing the utilitarian welfare (the sum of …

We consider approval-based committee elections, in which a size-k subset of available
candidates must be selected given approval sets for each voter, indicating the candidates …