PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you add alloying elements such as tungsten, chrome or manganese to improve the steel, the density will change.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hypertextbook.com