@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_velocity_	skos:broader	isac:navigation_solution_ .
isac:_speed_	skos:broader	isac:navigation_solution_ .
isac:_route_66	skos:broader	isac:navigation_solution_ .