PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In 2008, Twitter was a sideshow and Facebook had about one-sixth its current reach in the U.S. By 2016, this sort of campaign-driven sharing over social networks is almost certain to be the norm.
http://www.w3.org/ns/prov#wasQuotedFrom
  • time.com