<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/NewsArticle>
<http://thenextweb.com/twitter/2012/07/31/twitter-admits-it-was-wrong-to-notify-nbc-of-journalists-policy-violating-tweet/?awesm=tnw.to_n27m>