About: http://webisa.webdatacommons.org/90087693

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	In all cases, one set of columns is a subset of the other column set as defined by the indexes of the tables.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com