PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When re-refined oil is processed, water, sludge, and other contaminates are filtered out and the appropriate additive packages are added.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hendonpub.com