PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This process requires different machines such as hydraulic, steam and wind turbines, or other systems, to harness solar or marine energy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • iec.ch