Finally, it is important to notice that the SKOS vocabulary only offers limited support for containment of KOS information in a concept scheme. skos:inScheme and skos:hasTopConcept link concept schemes and concepts. Yet, there is no mechanism in SKOS to record that a specific statement concerning these concepts, e.g. a skos:broader assertion, pertains to a specific concept scheme, whereas a KOS is usually seen as consisting of both its concepts and the links that define them. The interested reader is