<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<http://www.post-gazette.com/businessnews/2009/12/06/Natural-gas-locked-in-the-Marcellus-Shale-has-companies-rushing-to-cash-in-on-possibilities/stories/200912060250>