PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The liquids are a byproduct of the natural gas refining process that is used to make consumer products such as plastics and carpet.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wuky.org