PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, 18 F is a positron emitting nuclide, and a special apparatus such as a positron camera is needed for imaging.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com