PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He and Kemp examined publicly available information gathered from media stories, scientific journals and regime announcements to build the case that North Korea is figuring out how to produce nuclear production-related materials and items such as vacuum pumps, magnetic-top bearings, maraging steel, uranium hexafluoride and frequency inverters.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nti.org