PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • MRI can detect different substances inside the human body, for example, by applying varying magnetic fields and detecting oscillations in the protons of certain types of nuclei.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com