438 citations · 460 across the 7 of their papers we have counts for
7 papers
Voting power of political parties in the Senate of Chile during the whole binomial system period: 1990-2017
Fabián Riquelme, Pablo González-Cantergiani, Gabriel Godoy
The binomial system is an electoral system unique in the world. It was used to elect the senators and deputies of Chile during 27 years, from the return of democracy in 1990 until…
Measuring satisfaction in societies with opinion leaders and mediators
Xavier Molinero, Fabián Riquelme, Maria Serna
An opinion leader-follower model (OLF) is a two-action collective decision-making model for societies, in which three kinds of actors are considered: "opinion leaders", "followers"…
Measuring user influence on Twitter: A survey
Fabián Riquelme, Pablo González-Cantergiani
Centrality is one of the most studied concepts in social network analysis. There is a huge literature regarding centrality measures, as ways to identify the most relevant users in…
Satisfaction in societies with opinion leaders and mediators: properties and an axiomatization
Fabián Riquelme
In this paper we propose the opinion leader-follower through mediators systems (OLFM systems) a multiple-action collective choice model for societies. In those societies three kind…
Power indices of influence games and new centrality measures for social networks
Xavier Molinero, Fabián Riquelme, Maria Serna
In social network analysis, there is a common perception that influence is relevant to determine the global behavior of the society and thus it can be used to enforce cooperation b…
On the Complexity of the Decisive Problem in Simple, Regular and Weighted Games
Andreas Polyméris, Fabián Riquelme
We study the computational complexity of an important property of simple, regular and weighted games, which is decisiveness. We show that this concept can naturally be represented…
Social Influence as a Voting System: a Complexity Analysis of Parameters and Properties
Xavier Molinero, Fabián Riquelme, Maria Serna
We consider a simple and altruistic multiagent system in which the agents are eager to perform a collective task but where their real engagement depends on the willingness to perfo…