@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_em_	skos:broader	isac:fix_width_ .
isac:_site_	skos:broader	isac:fix_width_ .
isac:last_column_	skos:broader	isac:fix_width_ .