PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Definitely should never be used on bearings or other rapidly moving parts, but for creaky hinges, it is golden.
http://www.w3.org/ns/prov#wasQuotedFrom
  • boingboing.net