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, but it was not used until a century ago because it is so active chemically and difficult to extract.
http://www.w3.org/ns/prov#wasQuotedFrom
  • revues.org