PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You???re going to have to explain how, for example, with your system there will be some sort of savings that will override the cost differential between backing a cement truck up to the site and filling the concrete extruder and setting forms and hauling concrete by helicopter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cleantechnica.com