@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_fracking_	skos:broader	isac:extraction_process_ .
isac:_example_	skos:broader	isac:extraction_process_ .
isac:_chemical_	skos:broader	isac:extraction_process_ .
isac:_acetone_	skos:broader	isac:extraction_process_ .
<http://webisa.webdatacommons.org/concept/supercritical+fluid_extraction_>	skos:broader	isac:extraction_process_ .