PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As for the refining process: When you refine a barrel of crude oil, you get some gasoline, some diesel, and some other stuff, including such nasties as chlorinated wastewater and the gaseous chemical byproducts of combustion.
http://www.w3.org/ns/prov#wasQuotedFrom
  • grist.org