Dynamical origins of the community structure of an online multi-layer society

Klimek, P., Diakonova, M., Eguíluz, V.M., San Miguel, M., & Thurner, S. (2016). Dynamical origins of the community structure of an online multi-layer society. New Journal of Physics 18 (8) e083045. 10.1088/1367-2630/18/8/083045.

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Project: multi-LAyer SpAtiotemporal Generalized NEtworks (LASAGNE, FP7 318132), Foundational Research on MULTIlevel comPLEX networks and systems (MULTIPLEX, FP7 317532)


Social structures emerge as a result of individuals managing a variety of different social relationships. Societies can be represented as highly structured dynamic multiplex networks. Here we study the dynamical origins of the specific community structures of a large-scale social multiplex network of a human society that interacts in a virtual world of a massive multiplayer online game. There we find substantial differences in the community structures of different social actions, represented by the various layers in the multiplex network. Community sizes distributions are either fat-tailed or appear to be centered around a size of 50 individuals. To understand these observations we propose a voter model that is built around the principle of triadic closure. It explicitly models the co-evolution of node- and link-dynamics across different layers of the multiplex network. Depending on link and node fluctuation probabilities, the model exhibits an anomalous shattered fragmentation transition, where one layer fragments from one large component into many small components. The observed community size distributions are in good agreement with the predicted fragmentation in the model. This suggests that several detailed features of the fragmentation in societies can be traced back to the triadic closure processes.

Item Type: Article
Research Programs: Advanced Systems Analysis (ASA)
Depositing User: Romeo Molina
Date Deposited: 02 Dec 2016 11:30
Last Modified: 27 Aug 2021 17:41
URI: https://pure.iiasa.ac.at/14057

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