@prefix dct: .
@prefix ns1: .
@prefix rdfs: .
@prefix skos: .
a skos:Concept,
;
dct:source ;
ns1:status ;
rdfs:isDefinedBy ;
rdfs:seeAlso ;
skos:definition "A spatial aggregate function that calculates the union of a set of geometries."@en ;
skos:prefLabel "aggregate union"@en .