About: http://webisa.webdatacommons.org/417046542

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	As such, the extension mechanisms in the schema language allow trading partners to modify existing document types easily while preserving the integrity of document instances and applications that rely on the original document types.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com