About: http://webisa.webdatacommons.org/439551130

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	For example, a purchase order is a contract wherein the line items are commitments. (BPSS 1.05)
http://www.w3.org/ns/prov#wasQuotedFrom	unece.org