PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The invention was a system for listing on a world-wide basis actual offers to sell diamonds which took into account the various factors effecting price, which permitted buyers to make bids on specific stones and permitted buyers and sellers to adjust offers and bids to enter into a sales transaction.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epo.org