PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention is a method and apparatus that allows buyers to purchase products, goods and service electronically and receive confirmation of that purchase.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es