@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_a1_	skos:broader	isac:cell_reference_ .
isac:_formulum_	skos:broader	isac:cell_reference_ .
isac:_a2_	skos:broader	isac:cell_reference_ .
isac:_b1_	skos:broader	isac:cell_reference_ .
isac:_criterion_	skos:broader	isac:cell_reference_ .
isac:_c3_	skos:broader	isac:cell_reference_ .