@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_program_	skos:broader	isac:same_program_ .
isac:word_processor_	skos:broader	isac:same_program_ .
isac:_date_	skos:broader	isac:same_program_ .