@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_base64_	skos:broader	isac:simple_encoder_ .
isac:_hexadecimal_	skos:broader	isac:simple_encoder_ .