PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From its discovery in 1948 to the start of the 21st century, Ghawar supplied the world with an astounding 51 billion barrels of oil, and there are an estimated 71 billion barrels remaining.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fool.com