<http://data.silknow.org/vocabulary/669> <http://www.w3.org/2004/02/skos/core#narrower> <http://data.silknow.org/vocabulary/348> . <http://data.silknow.org/vocabulary/669> <http://www.w3.org/2004/02/skos/core#narrower> <http://data.silknow.org/vocabulary/63> .