@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:microsoft_outlook_	skos:broader	isac:mail_program_ .
isac:_yahoo_	skos:broader	isac:mail_program_ .
isac:_gmail_	skos:broader	isac:mail_program_ .
isac:_outlook_	skos:broader	isac:mail_program_ .
isac:_thunderbird_	skos:broader	isac:mail_program_ .
isac:_pine_	skos:broader	isac:mail_program_ .
isac:outlook_express_	skos:broader	isac:mail_program_ .
isac:_eudora_	skos:broader	isac:mail_program_ .
isac:_qmail_	skos:broader	isac:mail_program_ .
isac:windows_mail_	skos:broader	isac:mail_program_ .
isac:_sendmail_	skos:broader	isac:mail_program_ .
isac:_outlook_2007	skos:broader	isac:mail_program_ .