PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An engine, or motor, is a machine designed to convert one form of energy into mechanical energy.[1][2] Heat engines, including internal combustion engines and external combustion engines (such as steam engines) burn a fuel to create heat, which then creates a force.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org