About: http://webisa.webdatacommons.org/13315791

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	PDExDressionCDS The objective of the PDExpressionCDS join engine is to provide an abstraction layer where data that is spread across multiple locations, such as data in a normalized database, can be presented to the user as views.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com