@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_am_	skos:broader	isac:modulation_type_ .
<http://webisa.webdatacommons.org/concept/_type_of+modulation>	skos:broader	isac:modulation_type_ .
<http://webisa.webdatacommons.org/concept/phase+shift_keying_>	skos:broader	isac:modulation_type_ .
isac:qpsk_modulation_	skos:broader	isac:modulation_type_ .