PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A preferred embodiment of the present invention is a computer-based system for coordinating a purchase document and approving the purchase by one or more Signatories of an approval chain.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com