About: http://webisa.webdatacommons.org/287479394

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	The rules used to enforce data integrity may be achieved with referential integrity tables, code implemented in a programming language, such as C++ or Visual Basic, or any other suitable mechanism.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com