Information Diffusion in Social Networks - School of Technology and ...

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Outline• Refine the micro question.• Define a stochastic model of the micro.• Simulate and observe the behaviour of themacro.• Compare with data.
Refining the questionThe Attribution problem: Why do users dowhat they do?• Did you share that photo because you likewhat's in it or because you are a big fan ofthe person who posted it?• You just heard on TV that Sehwag has beencut from the Indian team. Do you want toshare your opinion on Twitter?• Everyone is talking about Kolaveri. Do youwant to check it out?
Page 1 and 2: Information Diffusion inSocial Netw
Page 3 and 4: Research aspects of OSNs• Sociolo
Page 5 and 6: Two aspects: Macro and MicroMicro:
Page 7 and 8: SIR: The Macro questionClearly, as
Page 9: The way of EngineeringUse the obser
Page 13 and 14: The Model I• Users form a network
Page 15 and 16: The Model III• Each global tweet
Page 17 and 18: A reality check• The total weight
Page 19 and 20: Evolution in the viral regime800070
Page 21 and 22: Live longer, go further800070006000
Page 23 and 24: Topological study: Viral topicsMax
Page 25 and 26: Empirical cross-verification: Setup
Page 27 and 28: Large clusters in viral topics10 41
Page 29 and 30: The real data also has geography10
Page 31 and 32: The emerging science of big data•
Page 33 and 34: The research horizon..• …is unl

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