PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During the 2011 riots, the British officials used this system and censored and blocked the social media, including Twitter, Facebook and BlackBerry.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wordpress.com