PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is more difficult to obtain radioactive materials, such as uranium or plutonium, which originate in nuclear reactors.
http://www.w3.org/ns/prov#wasQuotedFrom
  • haaretz.com