@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_source_	skos:broader	isac:unbiased_source_ .
isac:_com_	skos:broader	isac:unbiased_source_ .
isac:fox_news_	skos:broader	isac:unbiased_source_ .
isac:_wikipedia_	skos:broader	isac:unbiased_source_ .