@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_schema_	skos:broader	isac:sql_identifier_ .
isac:cursor_name_	skos:broader	isac:sql_identifier_ .
isac:statement_name_	skos:broader	isac:sql_identifier_ .