PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I oversee the chemical process involved in extracting alumina, a substance used in aluminum foil, medicines, and other products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • engineergirl.org