PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since carbon-14 is an unstable isotope with a known half-life, it can be measured and dated with some accuracy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aramcoworld.com