Maryam Fazel-Zarandi. Identity and Search in Social Networks D.J.Watts, P.S. Dodds, M.E.J. Newman. Outlines. Introduction The Hierarchical Model Discussion. Introduction. Source. Milgram’s Experiment. Short chains of acquaintances exist.
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to q random nodes
Pr(ij) ~ d(i,j)-a
level between i and j
p(x) = ce-αx
Network constructed from template
Hierarchical template for the network
for a desired r.
where L = length of message chain.
L ln r / ln (1 - p)
q = (1 - p)L ≥ r
q < r
r = 0.05