About: http://webisa.webdatacommons.org/268442600

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	A union is a class defined with the class-key union; its members are public by
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com