PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Upon initiating an order for goods or services, entities should record a commitment (optional); upon issuing a purchase order, contract, or other legal document to order goods and services, entities must record an obligation of funds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • doi.gov