@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_wikus_	skos:broader	isac:hypertext_system_ .
isac:_web_	skos:broader	isac:hypertext_system_ .
isac:_index_	skos:broader	isac:hypertext_system_ .
isac:_www_	skos:broader	isac:hypertext_system_ .
<http://webisa.webdatacommons.org/concept/world+wide_web_>	skos:broader	isac:hypertext_system_ .
isac:_notecard_	skos:broader	isac:hypertext_system_ .