@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_css_	skos:broader	isac:programming_knowledge_ .
isac:_php_	skos:broader	isac:programming_knowledge_ .
isac:_c_	skos:broader	isac:programming_knowledge_ .
isac:_html_	skos:broader	isac:programming_knowledge_ .
isac:_javascript_	skos:broader	isac:programming_knowledge_ .