Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2003-05-14
Physics
Condensed Matter
Statistical Mechanics
Scientific paper
10.1016/j.physa.2004.01.030
We present a study of information flow that takes into account the observation that an item relevant to one person is more likely to be of interest to individuals in the same social circle than those outside of it. This is due to the fact that the similarity of node attributes in social networks decreases as a function of the graph distance. An epidemic model on a scale-free network with this property has a finite threshold, implying that the spread of information is limited. We tested our predictions by measuring the spread of messages in an organization and also by numerical experiments that take into consideration the organizational distance among individuals.
Adamic Lada A.
Huberman Bernardo A.
Tyler Joshua
Wu Fei-Fei
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