PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although basic plant construction is within the capabilities of standard chemical engineering technology today, developing barriers is a problem that must be overcome.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nuclearweaponarchive.org