About: http://webisa.webdatacommons.org/198894718

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 single CF could contain Orders, Invoices, and Customers, provided their row keys were distinct (e.g. prefixed with the object type, i.e. the keys of a single CF could include both Order|1234 and Customer|1234).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com