Juan C. Dürsteler, in Barcelona, Spain, edits a fine online magazine devoted to information graphics.  The current issue describes "... the diagram for the process of Information Visualisation as seen by Yuri Engelhardt and the author after a series of discussions about its nature and the process that leads from Data to Understanding." 

And it is available in English and Spanish.  Check out
http://www.infovis.net/printMag.php?num=187&lang=2