PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Way back during Iran???s 2009 presidential election, Twitter was a tool wielded by the guerrilla protest movement.
http://www.w3.org/ns/prov#wasQuotedFrom
  • foreignpolicy.com