PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 2 is a side elevational view of the vacuum tube shut-off of FIG. 1 showing the shut-off in the OFF position.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com