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Has a social network analysis visualization been done using tools such as Gephi? If yes, can I see some examples?

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SO isn't a social network, so how can you do a social network analysis on it? There's no concept of "friends" or even really linkages of any type. – Daniel DiPaolo Apr 15 '11 at 21:15
for example, visualizing users - users via questions and answers asked. – EquinoX Apr 15 '11 at 23:24
Just because the focus isn't social does not mean that there isn't a social component. Why else have chat? Visualizing a relationship between askers and answerers would be interesting. – this.josh Apr 22 '11 at 19:38

I've just released an application which converts Stack Exchange data dumps to GraphML, which Grephi can read (though the Stack Overflow data is large enough that Gephi struggles with it -- but igraph in R works fine). Have at it!

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