PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are also challenges in relation to transparency particularly in relation to the management of crude oil disposals and the procurement of petroleum products which have been described as particularly opaque.
http://www.w3.org/ns/prov#wasQuotedFrom
  • petroleumindustrybill.com