PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • limited to books and other media capable of being expressed in electronic form such as computer software, music and video could be purchased utilizing the present system.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com