PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • After a long slow introduction, the use of magnesium in structural areas started as castings and grew to forging, extrusions, and rolled products, mostly in Germany.
http://www.w3.org/ns/prov#wasQuotedFrom
  • magnesium.com