About: http://webisa.webdatacommons.org/396289105

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	If a currency is selected such as US dollars (USD), the sales order must match the modifier currency to determine pricing for the order. ??? Optionally, select Optional Currency to leave the Currency field in the modifier list blank.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net