Gephi is a program that allows to create network visualization diagrams from standard network data files. The following video shows some of the capabilities of the program.
To give a test run I downloaded the data of my friendship connectivity from one of the social network. This data is also known as Social graph. The data was loaded in Gephi and a network diagram was created.
The presentation below shows the network diagram and provides an explanation.
The adobe swf loads slow, so please wait few minutes for presentation to load.
These plots of Social graph are useful plots. They provide a visual confirmation of the connectivity. It also shows that social connectivity in the social network is a sparsely connected network. There are few hubs and a significant number are not really connected.
Network studies are becoming popular these days. Here is a very infromative website "Connected: The Surprising Power of Our Social Networks" http://bit.ly/av6nKZ
for additional information on social network analysis.
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