PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Recently, with tools such as the Hubble telescope, scientists have figured the Universe is about 13.7 years old.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stopthedrugwar.org