/// <summary>
/// Checks if the given aConcept has narrower/narrowerTransitive concept the given bConcept within the given scheme
/// </summary>
public static bool CheckHasNarrowerConcept(this RDFSKOSConceptScheme conceptScheme,
RDFSKOSConcept aConcept,
RDFSKOSConcept bConcept)
{
return(aConcept != null && bConcept != null && conceptScheme != null ? conceptScheme.GetNarrowerConceptsOf(aConcept).Concepts.ContainsKey(bConcept.PatternMemberID) : false);
}