@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:phone_number_	skos:broader	<http://webisa.webdatacommons.org/concept/_range_of+communication+functionality> .
isac:voice_call_	skos:broader	<http://webisa.webdatacommons.org/concept/_range_of+communication+functionality> .
isac:sm_messaging_	skos:broader	<http://webisa.webdatacommons.org/concept/_range_of+communication+functionality> .