@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_tomcat_	skos:broader	isac:java_server_ .
isac:apache_tomcat_	skos:broader	isac:java_server_ .
isac:ibm_websphere_	skos:broader	isac:java_server_ .