@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:line_graph_	skos:broader	<http://webisa.webdatacommons.org/concept/_range_of+basic+graph> .
isac:pie_chart_	skos:broader	<http://webisa.webdatacommons.org/concept/_range_of+basic+graph> .
isac:scatter_diagram_	skos:broader	<http://webisa.webdatacommons.org/concept/_range_of+basic+graph> .