PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is probably due to lack of demand more than anything else.Even with a somewhat higher cost, the equipment purchase is a one-time expense and will be used for ~20 years.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com