About: http://webisa.webdatacommons.org/388905671

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	procurement documents, such as request for proposals or invitations for bids, independent cost
http://www.w3.org/ns/prov#wasQuotedFrom	nara.gov