PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Buyer-driven markets function best when there is a well-defined purchase need, when a ???brand??? provides quality assurance to the buyer such as the name of a major airline carrier or when the item is a commodity such as oil or coal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com