@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:huffman_code_	skos:broader	<http://webisa.webdatacommons.org/concept/variable+length_code_> .
isac:_huffman_	skos:broader	<http://webisa.webdatacommons.org/concept/variable+length_code_> .