@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_game_	skos:broader	isac:develop_game_ .
isac:_time_	skos:broader	isac:develop_game_ .
isac:dead_space_	skos:broader	isac:develop_game_ .