PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention is an in situ method for generating and recovering oil and gas from a deep-lying, impermeable formation containing immobile hydrocarbons such as, but not limited to, oil shale.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com