@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:microsoft_outlook_	skos:broader	<http://webisa.webdatacommons.org/concept/email+client_program_> .
isac:_outlook_	skos:broader	<http://webisa.webdatacommons.org/concept/email+client_program_> .
isac:_thunderbird_	skos:broader	<http://webisa.webdatacommons.org/concept/email+client_program_> .
isac:outlook_express_	skos:broader	<http://webisa.webdatacommons.org/concept/email+client_program_> .