Levorato, Mario and Frota, Yuri - Brazilian Congress structural balance analysis

jimis:2018 - Journal of Interdisciplinary Methodologies and Issues in Sciences, March 10, 2017, Graphs and social systems
Brazilian Congress structural balance analysis

Authors: Levorato, Mario and Frota, Yuri

In this work, we study the behavior of Brazilian politicians and political parties with the help of clustering algorithms for signed social networks. For this purpose, we extract and analyze a collection of signed networks representing voting sessions of the lower house of Brazilian National Congress. We process all available voting data for the period between 2011 and 2016, by considering voting similarities between members of the Congress to define weighted signed links. The solutions obtained by solving Correlation Clustering (CC) problems are the basis for investigating deputies voting networks as well as questions about loyalty, leadership, coalitions, political crisis and polarization.


Source : oai:HAL:hal-01359672v3
DOI : 10.18713/JIMIS-280217-2-3
Volume: Graphs and social systems
Section: Issues
Published on: March 10, 2017
Submitted on: March 10, 2017
Keywords: Signed Graph,Structural Balance,Correlation Clustering,Metaheuristic,Politics,Social Network,[INFO.INFO-SI] Computer Science [cs]/Social and Information Networks [cs.SI]


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