@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_echo_	skos:broader	<http://webisa.webdatacommons.org/concept/java+web_framework_> .
isac:_spring_	skos:broader	<http://webisa.webdatacommons.org/concept/java+web_framework_> .
isac:_wicket_	skos:broader	<http://webisa.webdatacommons.org/concept/java+web_framework_> .
isac:_vaadin_	skos:broader	<http://webisa.webdatacommons.org/concept/java+web_framework_> .