@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:silicon_oxide_	skos:broader	isac:multi-layer_structure_ .
isac:active_layer_	skos:broader	isac:multi-layer_structure_ .
isac:_substrate_	skos:broader	isac:multi-layer_structure_ .
isac:_film_	skos:broader	isac:multi-layer_structure_ .
isac:_layer_	skos:broader	isac:multi-layer_structure_ .
<http://webisa.webdatacommons.org/concept/_plurality_of+layer>	skos:broader	isac:multi-layer_structure_ .