A l'estil dels que hem vist fins ara de les xarxes socials: http://flowingdata.com/2011/01/27/map-of-scientific-collaboration-between-researchers/ Raf -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.osgeo.org/pipermail/barcelona/attachments/20110127/c12bc16e/attachment.html