About: http://webisa.webdatacommons.org/98203436

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	This option allows users to combine columns from one or more subject areas using Set operations such as Union or Intersect.
http://www.w3.org/ns/prov#wasQuotedFrom	oracle.com