PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A purchase order (PO) is an internally generated document outlining the quantity and price of good or service to be purchased, as well as providing vendor information, reason for purchase and other information such as lot number.
http://www.w3.org/ns/prov#wasQuotedFrom
  • biotechstart.org