PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These materials do not enter the flow of consumable resources, yet they require more and more energy as well as equipment and other inputs to dig up, separate and throw away.
http://www.w3.org/ns/prov#wasQuotedFrom
  • japanfocus.org