Spreading gossip in social networks

Details Spreading gossip in social networks Spreading gossip in social networks

2007-05-22

arxiv.org/abs/0705.3224v1

Phys. Rev. E 76, 036117 (2007)

Physics

Physics and Society

10 pages, 16 figures, Revtex; Virt.J. of Biol. Phys., Oct.1 2007

Scientific paper

10.1103/PhysRevE.76.036117

We study a simple model of information propagation in social networks, where two quantities are introduced: the spread factor, which measures the average maximal fraction of neighbors of a given node that interchange information among each other, and the spreading time needed for the information to reach such fraction of nodes. When the information refers to a particular node at which both quantities are measured, the model can be taken as a model for gossip propagation. In this context, we apply the model to real empirical networks of social acquaintances and compare the underlying spreading dynamics with different types of scale-free and small-world networks. We find that the number of friendship connections strongly influences the probability of being gossiped. Finally, we discuss how the spread factor is able to be applied to other situations.

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