:my-concept a skos:Concept ; skos:prefLabel 'Semantic Web'@en ; skos:definition 'An extension of the World Wide Web that enables computers to interpret the meaning of data.'@en ; skos:inScheme :my-concept-scheme . The notion of a SKOS concept is useful when describing the conceptual or intellectual structure of a knowledge organization system, and when referring to specific ideas or meanings established within a KOS. An idea or notion; a unit of thought. concept Note that, because SKOS is designed to be a vehicle for representing semi-formal KOS, such as thesauri and classification schemes, a certain amount of flexibility has been built in to the formal definition of this class.