PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Aluminium is the most abundant metal in the earth???s crust and is obtained mainly from bauxite.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oxforddictionaries.com