PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Add some silicon, magnesium, zinc, copper, and other things, and the result will be far stronger.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sheldonbrown.com