http://w3id.org/um/cbcm/eu-cm-ontology
http://purl.org/vocab/vann/preferredNamespacePrefix
@prefix owl: <http://www.w3.org/2002/07/owl#> . @prefix vann: <http://purl.org/vocab/vann/> . vann:preferredNamespacePrefix a owl:AnnotationProperty .