/// <summary>
/// Adds the given concept to the conceptScheme as top concept of the hierarchy
/// </summary>
public static RDFSKOSConceptScheme AddTopConceptRelation(this RDFSKOSConceptScheme conceptScheme,
RDFSKOSConcept concept)
{
if (conceptScheme != null && concept != null && !conceptScheme.Equals(concept))
{
//Add skos:hasTopConcept relation to the scheme
conceptScheme.Relations.TopConcept.AddEntry(new RDFOntologyTaxonomyEntry(conceptScheme, RDFVocabulary.SKOS.HAS_TOP_CONCEPT.ToRDFOntologyObjectProperty(), concept));
}
return(conceptScheme);
}