About: http://webisa.webdatacommons.org/240937670

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	Number of columns should be same on both sides of EXCEPT. And data types of columns should also match.
http://www.w3.org/ns/prov#wasQuotedFrom	dbdigger.com