[SOLVED] Hidden subgraphs

[erikb]

how to implement hidden subgraphs? E.g. after doing a web crawl we have nodes representing sites. The links however are between the pages, but the visualization shows them between the sites. For us it is a
great way to keep the maps readable but still have all the information from the network available. Could you tell me how to do this with GEXF?

[mbastian]

To achieve that, you need to create a hierarchy of nodes in the GEXF and leave edges between pages. Thanks to automated meta-edges creation in Gephi, meta-edges are automatically created between sites from links between pages. That is done automatically when you are visualizing the sites level.

You have two choices for writing nodes hierarchy:

Code: Select all

<graph mode="static" defaultedgetype="directed">
   <nodes>
      <node id="site_1" label="http://site1">
      <nodes>
         <node id="page_1.1" label="http://page11">
      <nodes>
   </nodes>
</graph>

or

Code: Select all

<nodes>
   <node id="site_1" label="http://site1" />
   <node id="page_1.1" label="http://page11" pid="site_1" />
</nodes>

and as said, only edges between pages. I hope that answered your question.

Note that curently, meta-edges support in Gephi is still partial (cannot be used in filters) but that will be fixed soon.