@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://iconclass.org/46C154%28%2B731%29> skos:broader <http://iconclass.org/46C154%28%2B73%29> ;
    skos:prefLabel "signal system (railway, tramway) (+ skeleton of an animal)"@en .