@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_netbook_	skos:broader	isac:older_computer_ .
isac:_mac_	skos:broader	isac:older_computer_ .
isac:_laptop_	skos:broader	isac:older_computer_ .
isac:windows_xp_	skos:broader	isac:older_computer_ .