PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Over a ten-year period, the cost of energy consumed by an average compressed air system exceeds other costs, including the initial cost of equipment and installation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • parkertransair.com