@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_keyboard_	skos:broader	isac:computer_interface_ .
isac:computer_mouse_	skos:broader	isac:computer_interface_ .
isac:web_browser_	skos:broader	isac:computer_interface_ .
isac:_application_	skos:broader	isac:computer_interface_ .
isac:_interface_	skos:broader	isac:computer_interface_ .
<http://webisa.webdatacommons.org/concept/graphical+user_interface_>	skos:broader	isac:computer_interface_ .
isac:usb_port_	skos:broader	isac:computer_interface_ .
isac:_mouse_	skos:broader	isac:computer_interface_ .
isac:virtual_reality_	skos:broader	isac:computer_interface_ .
isac:computer_interface_	skos:broader	isac:computer_interface_ .
isac:parallel_port_	skos:broader	isac:computer_interface_ .
isac:_rs232_	skos:broader	isac:computer_interface_ .