Social Network Analysis - Lecture 11 - * Dr. Stefan Siersdorfer 1 * Figures and Examples in Slides from Easley and Kleinberg 2010.

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Presentation transcript:

Social Network Analysis - Lecture 11 - * Dr. Stefan Siersdorfer 1 * Figures and Examples in Slides from Easley and Kleinberg 2010

Milgram Experiment: Results 2

Small Wold: MS Instant Messenger 3

Watts-Strogatz Model (1) 4

Watts-Strogatz Model (2) 5

Decentralized Search 6

Modelling Decentralized Search Idea: probability of random edge beteen nodes v and w decay with distance: ~ d(v,w) -q 7

What‘s the best q for decentralized search? 8

Spatial Distribution of LiveJournal Users 9

Optimal Exponent: LiveJournal Experiment 10

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