PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The petroleum industry relies on fractional distillation of raw materials to separate out products such as petrol, diesel oil and paraffin from crude oil, and methane, ethane and propane, etc., from natural gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alphagalileo.org