@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_keyboard_	skos:broader	isac:usb_interface_ .
isac:digital_camera_	skos:broader	isac:usb_interface_ .
isac:_interface_	skos:broader	isac:usb_interface_ .
isac:_computer_	skos:broader	isac:usb_interface_ .
isac:_ipad_	skos:broader	isac:usb_interface_ .
isac:_windows_	skos:broader	isac:usb_interface_ .
isac:_mouse_	skos:broader	isac:usb_interface_ .