PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For the cross-type screw heads (phillips, posidrive, etc) The most important thing is to use the right driver with the right angle and clean edges.
http://www.w3.org/ns/prov#wasQuotedFrom
  • metafilter.com