@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_portrait_	skos:broader	isac:view_controller_ .
isac:view_controller_	skos:broader	isac:view_controller_ .
<http://webisa.webdatacommons.org/concept/root+view_controller_>	skos:broader	isac:view_controller_ .