PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • And, as we all know, aluminum is a light material, so per-tonne figures are distorting - steel is three times as dense as aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailykos.com