@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_objectionable_	skos:broader	isac:quantization_error_ .
isac:_error_	skos:broader	isac:quantization_error_ .
isac:_noise_	skos:broader	isac:quantization_error_ .