PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Accordingly, there is a need for an improved safety valve that is of simple design to increase its reliability and lower its cost thereby providing an incentive for using the valve in the first place.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com