PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While natural gas, natural gas liquids, and crude oil are disclosed, any fluid, e.g. 5 gas, liquid, slurry, are contemplated.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au