@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:web_browser_	skos:broader	isac:browser_program_ .
isac:_navigator_	skos:broader	isac:browser_program_ .
isac:internet_explorer_	skos:broader	isac:browser_program_ .
isac:netscape_navigator_	skos:broader	isac:browser_program_ .