About: http://webisa.webdatacommons.org/176999902

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	An aggregation is an operation that scans over a set of documents and returns computed values such as Sum, Average, or Count.
http://www.w3.org/ns/prov#wasQuotedFrom	sqlauthority.com