@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_correspondence_	skos:broader	isac:type_document_ .
isac:_complaint_	skos:broader	isac:type_document_ .
isac:_email_	skos:broader	isac:type_document_ .