About: http://webisa.webdatacommons.org/22678401

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 joint-field analysis includes compiling information such as the number of records produced from a join operation performed using the two fields as key fields.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com