<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<http://www.ccpdt.org/?option=com_phocadownload&view=category&download=83%3A2011-08-11-ccpdt-ceus&id=9%3A2011-newsletters&Itemid=135>