Computing global structural balance in large-scale signed social networks.
Proc Natl Acad Sci U S A
; 108(52): 20953-8, 2011 Dec 27.
Article
en En
| MEDLINE
| ID: mdl-22167802
Structural balance theory affirms that signed social networks (i.e., graphs whose signed edges represent friendly/hostile interactions among individuals) tend to be organized so as to avoid conflictual situations, corresponding to cycles of negative parity. Using an algorithm for ground-state calculation in large-scale Ising spin glasses, in this paper we compute the global level of balance of very large online social networks and verify that currently available networks are indeed extremely balanced. This property is explainable in terms of the high degree of skewness of the sign distributions on the nodes of the graph. In particular, individuals linked by a large majority of negative edges create mostly "apparent disorder," rather than true "frustration."
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Apoyo Social
/
Algoritmos
/
Conflicto Psicológico
/
Relaciones Interpersonales
/
Modelos Psicológicos
Aspecto:
Determinantes_sociais_saude
Límite:
Humans
Idioma:
En
Revista:
Proc Natl Acad Sci U S A
Año:
2011
Tipo del documento:
Article
País de afiliación:
Italia
Pais de publicación:
Estados Unidos