@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_system_	skos:broader	isac:associate_software_ .
isac:operating_system_	skos:broader	isac:associate_software_ .
isac:_firmware_	skos:broader	isac:associate_software_ .
isac:_clicker_	skos:broader	isac:associate_software_ .