PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the months after the contested Iranian presidential election in June 2009, Iranians used Twitter--a social media service that allows users to send short text messages, called tweets, with relative anonymity--to speak out about the election and the protests and other events that followed it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldcat.org