@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_paper_	skos:broader	isac:evaluation_study_ .
isac:_research_	skos:broader	isac:evaluation_study_ .
isac:cost-benefit_analysis_	skos:broader	isac:evaluation_study_ .
isac:_study_2	skos:broader	isac:evaluation_study_ .