@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_time_	skos:broader	isac:machine-readable_code_ .
isac:_barcode_	skos:broader	isac:machine-readable_code_ .
isac:bar_code_	skos:broader	isac:machine-readable_code_ .
<http://webisa.webdatacommons.org/concept/2d+data+matrix_code_>	skos:broader	isac:machine-readable_code_ .