@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix ns0: <http://www.opengis.net/def/uom/ISO-8601/0/> . @prefix owl: <http://www.w3.org/2002/07/owl#> . ns0:Gregorian a owl:NamedIndividual . 
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns0: <http://www.opengis.net/def/uom/ISO-8601/0/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

ns0:Gregorian
    a owl:NamedIndividual .