@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_led_	skos:broader	isac:solid-state_lighting_ .
isac:_oled_	skos:broader	isac:solid-state_lighting_ .
isac:light-emitting_diode_	skos:broader	isac:solid-state_lighting_ .
<http://webisa.webdatacommons.org/concept/light-emitting+diode_led_>	skos:broader	isac:solid-state_lighting_ .