5 citations · 21 across the 12 of their papers we have counts for
12 papers
On the Fragility of Majority Illusions
Maaike Venema-Los, Zoé Christoff, Serte Donderwinkel +1
A majority illusion in a social network occurs when the majority of neighbors of an agent has a certain opinion while the majority of agents in the network has another opinion. We…
Condorcet Markets
Stéphane Airiau, Nicholas Kees Dupuis, Davide Grossi
The paper studies information markets concerning single events from an epistemic social choice perspective. Within the classical Condorcet error model for collective binary decisio…
On the Graph Theory of Majority Illusions: Theoretical Results and Computational Experiments
Maaike Los, Zoé Christoff, Davide Grossi
The popularity of an opinion in one's direct circles is not necessarily a good indicator of its popularity in one's entire community. Network structures make local information abou…
Social Choice Around the Block: On the Computational Social Choice of Blockchain
Davide Grossi
One of the most innovative aspects of blockchain technology consists in the introduction of an incentive layer to regulate the behavior of distributed protocols. The designer of a…
Proportional Budget Allocations: Towards a Systematization
Maaike Los, Zoé Christoff, Davide Grossi
We contribute to the programme of lifting proportionality axioms from the multi-winner voting setting to participatory budgeting. We define novel proportionality axioms for partici…
RLupus: Cooperation through emergent communication in The Werewolf social deduction game
Nicolo' Brandizzi, Davide Grossi, Luca Iocchi
This paper focuses on the emergence of communication to support cooperation in environments modeled as social deduction games (SDG), that are games where players communicate freely…
Tracking Truth by Weighting Proxies in Liquid Democracy
Yuzhe Zhang, Davide Grossi
We study wisdom of the crowd effects in liquid democracy when agents are allowed to apportion weights to proxies by mixing their delegations. We show that in this setting -- unlike…
Democratic Forking: Choosing Sides with Social Choice
Ben Abramowitz, Edith Elkind, Davide Grossi +2
Any community in which membership is optional may eventually break apart, or fork. For example, forks may occur in political parties, business partnerships, social groups, cryptocu…
Power in Liquid Democracy
Yuzhe Zhang, Davide Grossi
The paper develops a theory of power for delegable proxy voting systems. We define a power index able to measure the influence of both voters and delegators. Using this index, whic…
United for Change: Deliberative Coalition Formation to Change the Status Quo
Edith Elkind, Davide Grossi, Ehud Shapiro +1
We study a setting in which a community wishes to identify a strongly supported proposal from a space of alternatives, in order to change the status quo. We describe a deliberation…
Commonly Knowing Whether
Jie Fan, Davide Grossi, Barteld Kooi +2
This paper introduces the notion of `commonly knowing whether', a non-standard version of standard common knowledge which is defined on the basis of `knowing whether', instead of s…
Decentralization in Open Quorum Systems
Andrea Bracciali, Davide Grossi, Ronald de Haan
Decentralisation is one of the promises introduced by blockchain technologies: fair and secure interaction amongst peers with no dominant positions, single points of failure or cen…