PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Accidentally overflowing the tank was a potential problem, so a float switch, which senses oil level and controls the fill pump, was installed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • homepower.com