PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Aluminosilicates are inexpensive and widely available throughout the world, for example from a large variety of rocks, clays and minerals and also from waste by-products, particularly bottom ash and fly ash.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com