@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_file_	skos:broader	isac:compression_software_ .
isac:_winrar_	skos:broader	isac:compression_software_ .
isac:_winzip_	skos:broader	isac:compression_software_ .
isac:_stuffit_	skos:broader	isac:compression_software_ .
isac:_7-zip_	skos:broader	isac:compression_software_ .