@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_keyboard_	skos:broader	isac:computer_input_ .
isac:_device_	skos:broader	isac:computer_input_ .
isac:_mouse_	skos:broader	isac:computer_input_ .
isac:light_pen_	skos:broader	isac:computer_input_ .