@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns1:	<http://purl.org/linked-data/cube#> .
@prefix owl:	<http://www.w3.org/2002/07/owl#> .
ns1:dataSet	rdf:type	owl:ObjectProperty ,
		rdf:Property .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns4:	<https://uri.etsi.org/ngsi-ld/v1/ontology#> .
ns1:dataSet	rdfs:subPropertyOf	ns4:Relationship ;
	rdfs:label	"data set"@en ;
	rdfs:domain	ns1:Observation ;
	rdfs:range	ns1:DataSet .
@prefix ns5:	<http://purl.org/linked-data/> .
ns1:dataSet	rdfs:isDefinedBy	ns5:cube ;
	rdfs:comment	"indicates the data set of which this observation is a part"@en .