@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_article_	skos:broader	isac:additional_source_ .
isac:_datum_	skos:broader	isac:additional_source_ .
isac:_energy_	skos:broader	isac:additional_source_ .
isac:_event_	skos:broader	isac:additional_source_ .
isac:_information_	skos:broader	isac:additional_source_ .
isac:_source_	skos:broader	isac:additional_source_ .
isac:journal_article_	skos:broader	isac:additional_source_ .
isac:_dvd_	skos:broader	isac:additional_source_ .
isac:_activity_	skos:broader	isac:additional_source_ .
isac:_diary_	skos:broader	isac:additional_source_ .