Subject ​	Predicate ​	Object ​	Graph ​
skos:hasTopConcept http://www.w3.org/2004/02/skos/core#hasTopConcept	skos:definition http://www.w3.org/2004/02/skos/core#definition	Relates, by convention, a conc ...... ry point to these hierarchies. @en	graph:skos https://data.pldn.nl/sndk-lab-environment/reference-data/graphs/skos