PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • s, hydrocarbon cracking catalyst and freed hydrocarbons through said strata from injection well to production well including the steps of:1.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com