About: http://webisa.webdatacommons.org/290876596

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	A primary key is a unique identifier (made up of one or more persistent attributes) that distinguishes one instance of a class from all other instances of the same type.
http://www.w3.org/ns/prov#wasQuotedFrom	oracle.com