PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, air which has been substantially enriched in oxygen is used in various industries, such as chemical processing, steel mills, paper mills, and in lead and gas production operations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com