http://www.semanticmetadata.net Wed, 23 May 2012 10:28:54 +0000 en hourly 1 http://wordpress.org/?v=3.3.2 http://www.semanticmetadata.net/2008/06/16/xkcd-purity-of-research-fields/ http://www.semanticmetadata.net/2008/06/16/xkcd-purity-of-research-fields/#comments Mon, 16 Jun 2008 09:07:10 +0000 Mathias Lux http://www.semanticmetadata.net/2008/06/16/xkcd-purity-of-research-fields/ http://www.semanticmetadata.net/2008/06/16/xkcd-purity-of-research-fields/feed/ 0