About: http://webisa.webdatacommons.org/252436658

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	The purchase orders or other documents may identify the required item, the needed quantity, and the quoted price (such as the price determined using the quantity pricing rules).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com