Analysis of Social Graphs with Gephi
You need to have Gephi. There are two versions 0.8 and 0.9 and they differ in their way to interact with Gephi. Below is the configuration of Gephi 0.9.
Une séquence d'arêtes doit apparaitre dans la fenêtre principale.
If not, go to http://gephi.github.io/ and download Gephi.
Important : Gephi works on Windows, Mac and Linux but only with Java 6 or 7 (not 8)
If you have an installation problem with Gephi go here http://gephi.github.io/users/install/#gephi-does-not-start.
Tuto & Tools for collecting data for social networks
Data Format accepted on Gephi :
User Interface :
Before we can use Gephi with streams, we need to install additional plugins.
Go to toolbar, select Tools / Modules / Modules Available
and click to install. After installing, restart Gephi
Or manually method :
Go to the menu Tools > Plugins > Downloaded. Click on Add Plugins…, and select the NBM or ZIP file you have just downloaded. Click on Install, and follow the wizard.
Step 1 :
For importing a dataset, click to [File / Open] on Gephi menu or double click on the file (with good format for Gephi)
If you use Naoyun, go to the Streaming tab and start the Streaming server.
Step 2 :
You should see a really compact cloud of nodes (more or less dense depending on the size of your network and its connections).
Select “Force Atlas 2” in the drop down menu of spatialization and click to Start.
This property is very useful to interpret a graph:
Step 3 :
The degree of a node is the number of relation (edge) it has, to display node size per degree : Ranking -> Nodes -> Choose a Rank Parameter Degree and click « Apply »
This window offers you four options for both the Nodes and the Edges. Enabling you play with the color, the size and the labels display.
Step 4 : Composantes Connexes:
Step 5 :