About: http://webisa.webdatacommons.org/309736771

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 columns in the referencing table must reference the columns of the primary key or other superkey in the referenced table.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com