PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Iron, like other metals, conducts heat and electricity, has a luster, and forms positive ions in its chemical reactions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • britannica.com