PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, a ball or other plugging device may be pumped down to the packer 58, and pressure applied to set the packer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com