@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_ibm_	skos:broader	isac:linux_developer_ .
isac:red_hat_	skos:broader	isac:linux_developer_ .
isac:linus_torvalds_	skos:broader	isac:linux_developer_ .