PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The plugging of a petroleum well is especially important because the well may penetrate formations containing fresh water that may be used for drinking or other purposes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com