@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_n_	skos:broader	<http://webisa.webdatacommons.org/concept/_integer_of+one> .
isac:_k_	skos:broader	<http://webisa.webdatacommons.org/concept/_integer_of+one> .