PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Radiofrequency energy, also called radio waves, is a form of electromagnetic radiation that can be ionizing (high-frequency) or non-ionizing (low-frequency).
http://www.w3.org/ns/prov#wasQuotedFrom
  • mast-victims.org