@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_thread_	skos:broader	isac:program_unit_ .
isac:main_program_	skos:broader	isac:program_unit_ .
isac:_function_	skos:broader	isac:program_unit_ .
isac:_name_	skos:broader	isac:program_unit_ .
isac:_task_	skos:broader	isac:program_unit_ .
isac:_subprogram_	skos:broader	isac:program_unit_ .
isac:program_unit_	skos:broader	isac:program_unit_ .