@prefix skos: . @prefix isac: . isac:_bilderberg_ skos:broader isac:private_meeting_ . isac:_dinner_ skos:broader isac:private_meeting_ . isac:_issue_ skos:broader isac:private_meeting_ . isac:_party_ skos:broader isac:private_meeting_ . isac:_there_ skos:broader isac:private_meeting_ . isac:_conference_ skos:broader isac:private_meeting_ . isac:_visit_ skos:broader isac:private_meeting_ . isac:_meeting_ skos:broader isac:private_meeting_ .