@prefix skos: . a skos:Concept ; skos:broader ; skos:inScheme ; skos:narrower , , , , , , , , , , , , , , , ; skos:notation "11HH(HELENA)" ; skos:prefLabel "empress Helena, mother of Constantine the Great; possible attributes: model of church, (royal) crown, crown of thorns, cross, three nails"@en ; skos:related , .