PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (a) exchange procurement information???such as solicitations, offers, contracts, purchase orders, invoices, payments, and other contractual documents???electronically between the private sector and the Federal Government to the maximum extent practical;
http://www.w3.org/ns/prov#wasQuotedFrom
  • house.gov