PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • a metal oxide scrubber means with a metal oxide for removing sulfur from the one or more liquid distillate components, with the metal oxide including a copper oxide;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com