PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Uranium is not a particularly rare element ??? it is about as common a constituent of Earth???s crust as zinc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • discovermagazine.com