@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_voice_	skos:broader	<http://webisa.webdatacommons.org/concept/difficult_system_load-balancing+task> .
isac:datum_call_	skos:broader	<http://webisa.webdatacommons.org/concept/difficult_system_load-balancing+task> .