About: http://webisa.webdatacommons.org/284254087

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	It is not possible to create a column that is used in a calculation, such as the difference of two values, or that has an effect on the quantity, rate or amount columns (this is a feature you can get in my CCRQInvoice product).
http://www.w3.org/ns/prov#wasQuotedFrom	ccrsoftware.info