PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An aluminum foil is the most preferable material for forming the metal foil layer because an aluminum foil is inexpensive, easy to process and easy to bond to a film.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es