About: http://webisa.webdatacommons.org/438547101

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	By adding aggregation functions, such as COUNT and SUM, to a select block with the use of a GROUP BY clause, data can be aggregated.
http://www.w3.org/ns/prov#wasQuotedFrom	databasejournal.com