About: http://webisa.webdatacommons.org/12182626

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	Another bunch of extensibility methods exist to let you validate changes entered into entity classes such as Customer and Order.
http://www.w3.org/ns/prov#wasQuotedFrom	drdobbs.com