PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Eventually tertiary or enhanced oil recovery methods may be used to increase the oil's flow characteristics by injecting steam, carbon dioxide and other gases or chemicals into the reservoir.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thefullwiki.org