@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_exchange_	skos:broader	isac:short-term_program_ .
isac:summer_program_	skos:broader	isac:short-term_program_ .
isac:_certificate_	skos:broader	isac:short-term_program_ .
isac:_summer_	skos:broader	isac:short-term_program_ .