b'Nimrod Talmon'

research

∙ 05/18/2023

Participatory Budgeting: Data, Tools, and Analysis

We provide a library of participatory budgeting data (Pabulib) and open ...

0 Piotr Faliszewski, et al. ∙

research

∙ 08/30/2022

Fine-Grained Liquid Democracy for Cumulative Ballots

We investigate efficient ways for the incorporation of liquid democracy ...

0 Matthias Köppe, et al. ∙

research

∙ 07/11/2022

Better Collective Decisions via Uncertainty Reduction

We consider an agent community wishing to decide on several binary issue...

0 Shiri Alouf-Heffetz, et al. ∙

research

∙ 07/03/2022

How to Sample Approval Elections?

We study the multifaceted question of how to sample approval elections i...

1 Stanisław Szufa, et al. ∙

research

∙ 03/02/2022

Foundations for Grassroots Democratic Metaverse

While the physical lives of many of us are in democracies (one person, o...

0 Ehud Shapiro, et al. ∙

research

∙ 01/18/2022

Proportional Ranking in Primary Elections: A Case Study

Many democratic political parties hold primary elections, which nicely r...

0 Ariel Rosenfeld, et al. ∙

research

∙ 11/14/2021

What Should We Optimize in Participatory Budgeting? An Experimental Study

Participatory Budgeting (PB) is a process in which voters decide how to ...

0 Ariel Rosenfeld, et al. ∙

research

∙ 07/31/2021

Iterative Deliberation via Metric Aggregation

We investigate an iterative deliberation process for an agent community ...

0 Gil Ben Zvi, et al. ∙

research

∙ 04/19/2021

Bribery as a Measure of Candidate Success: Complexity Results for Approval-Based Multiwinner Rules

We study the problem of bribery in multiwinner elections, for the case w...

0 Piotr Faliszewski, et al. ∙

research

∙ 03/05/2021

Democratic Forking: Choosing Sides with Social Choice

Any community in which membership is optional may eventually break apart...

0 Ben Abramowitz, et al. ∙

research

∙ 01/05/2021

Proportionality in Committee Selection with Negative Feelings

We study a class of elections in which the input format is trichotomous ...

0 Nimrod Talmon, et al. ∙

research

∙ 12/09/2020

Participatory Budgeting with Project Groups

We study a generalization of the standard approval-based model of partic...

1 Pallavi Jain, et al. ∙

research

∙ 12/01/2020

Pabulib: A Participatory Budgeting Library

We describe the PArticipatory BUdgeting LIBrary website (in short, Pabul...

0 Dariusz Stolicki, et al. ∙

research

∙ 11/05/2020

How to Amend a Constitution? Model, Axioms, and Supermajority Rules

A self-governed community or society must have rules by which group deci...

0 Ben Abramowitz, et al. ∙

research

∙ 10/01/2020

Opinion Diffusion and Campaigning on Society Graphs

We study the effects of campaigning, where the society is partitioned in...

0 Piotr Faliszewski, et al. ∙

research

∙ 09/21/2020

Electing the Executive Branch

The executive branch, or government, is typically not elected directly b...

0 Ehud Shapiro, et al. ∙

research

∙ 09/06/2020

Participatory Budgeting with Cumulative Votes

In participatory budgeting we are given a set of projects—each with a co...

0 Piotr Skowron, et al. ∙

research

∙ 06/01/2020

Fault-Tolerant Distributed-Ledger Implementation of Digital Social Contracts

A companion paper defined the notion of digital social contracts, presen...

0 Ouri Poupko, et al. ∙

research

∙ 05/29/2020

Egalitarian and Just Digital Currency Networks

Cryptocurrencies are a digital medium of exchange with decentralized con...

0 Gal Shahaf, et al. ∙

research

∙ 05/13/2020

Digital Social Contracts: A Foundation for an Egalitarian and Just Digital Society

Almost two centuries ago Pierre-Joseph Proudhon proposed social contract...

0 Luca Cardelli, et al. ∙

research

∙ 05/09/2020

Multi-Party Campaigning

We study a social choice setting of manipulation in elections and extend...

0 Martin Koutecký, et al. ∙

research

∙ 01/22/2020

Egalitarian Deliberative Decision Making

We study a scenario in which an agent population wishes to identify a ma...

0 Edith Elkind, et al. ∙

research

∙ 01/15/2020

Sybil-Resilient Social Choice with Partial Participation

Voting rules may fail to implement the will of the society when only som...

0 Reshef Meir, et al. ∙

research

∙ 04/21/2019

Genuine Global Identifiers and their Mutual Sureties

We introduce the fundamental notion of a genuine global identifier, name...

0 Gal Shahaf, et al. ∙

research

∙ 04/21/2019

Foundation for Genuine Global Identities

About 1Bn people around the globe are born and live without identity doc...

0 Gal Shahaf, et al. ∙

research

∙ 01/26/2019

What Do Multiwinner Voting Rules Do? An Experiment Over the Two-Dimensional Euclidean Domain

We visualize aggregate outputs of popular multiwinner voting rules--SNTV...

0 Edith Elkind, et al. ∙

research

∙ 09/12/2018

A Framework for Approval-based Budgeting Methods

We define and study a general framework for approval-based budgeting met...

0 Piotr Faliszewski, et al. ∙

research

∙ 07/29/2018

Sybil-Resilient Reality-Aware Social Choice

Sybil attacks, in which fake or duplicate identities (sybils) infiltrate...

0 Gal Shahaf, et al. ∙

research

∙ 07/29/2018

Sybil-Resilient Social Choice

We consider an electorate composed of both genuine and fake voters, aka ...

0 Gal Shahaf, et al. ∙

research

∙ 07/29/2018

Reality-aware Sybil-Resilient Voting

We consider an electorate composed of both honest and fake voters, aka s...

0 Gal Shahaf, et al. ∙

research

∙ 06/16/2018

Integrating Deliberation and Voting in Participatory Drafting of Legislation

Deliberation and voting are considered antithetic: In deliberation, the ...

0 Ehud Shapiro, et al. ∙

research

∙ 05/06/2018

Distributed Monitoring of Election Winners

We consider distributed elections, where there is a center and k sites. ...

0 Arnold Filtser, et al. ∙

research

∙ 02/19/2018

Committee Scoring Rules: Axiomatic Characterization and Hierarchy

Committee scoring voting rules are multiwinner analogues of positional s...

0 Piotr Faliszewski, et al. ∙

research

∙ 11/22/2017

Proportionally Representative Participatory Budgeting: Axioms and Algorithms

Participatory budgeting is one of the exciting developments in deliberat...

0 Haris Aziz, et al. ∙

research

∙ 11/17/2017

The Complexity of Multiwinner Voting Rules with Variable Number of Winners

We consider the approval-based model of elections, and undertake a compu...

0 Piotr Faliszewski, et al. ∙

research

∙ 10/27/2017

Incorporating Reality into Social Choice

When voting on a proposal one in fact chooses between two alternatives: ...

0 Ehud Shapiro, et al. ∙

research

∙ 09/18/2017

A Condorcet-Consistent Democratic Budgeting Algorithm

The budget is the key means for effecting policy in democracies, yet its...

0 Ehud Shapiro, et al. ∙

research

∙ 09/18/2017

A Condorcet-Consistent Participatory Budgeting Algorithm

The budget is the key means for effecting policy in democracies, yet its...

0 Ehud Shapiro, et al. ∙

research

∙ 09/08/2017

Mixed Integer Programming with Convex/Concave Constraints: Fixed-Parameter Tractability and Applications to Multicovering and Voting

A classic result of Lenstra [Math. Oper. Res. 1983] says that an integer...

0 Robert Bredereck, et al. ∙

research

∙ 07/05/2017

Robustness Among Multiwinner Voting Rules

We investigate how robust are results of committee elections to small ch...

0 Robert Bredereck, et al. ∙

research

∙ 02/28/2017

Proportional Representation in Vote Streams

We consider elections where the voters come one at a time, in a streamin...

0 Palash Dey, et al. ∙

research

∙ 01/07/2016

Complexity of Shift Bribery in Committee Elections

We study the (parameterized) complexity of SHIFT BRIBERY for multiwinner...

0 Robert Bredereck, et al. ∙

research

∙ 11/28/2014

Elections with Few Voters: Candidate Control Can Be Easy

We study the computational complexity of candidate control in elections ...

0 Jiehua Chen, et al. ∙

Nimrod Talmon

Featured Co-authors