PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The properties of mined gases and liquids, including crude oil, are variable based on time, method, and location of extraction.
http://www.w3.org/ns/prov#wasQuotedFrom
  • federalregister.gov