@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:bulletin_board_	skos:broader	isac:interactive_function_ .
isac:_user_	skos:broader	isac:interactive_function_ .
isac:_forum_	skos:broader	isac:interactive_function_ .
isac:_game_	skos:broader	isac:interactive_function_ .
isac:_e-mail_	skos:broader	isac:interactive_function_ .
isac:_poll_	skos:broader	isac:interactive_function_ .
isac:_twitter_	skos:broader	isac:interactive_function_ .
isac:_chat_	skos:broader	isac:interactive_function_ .
isac:message_board_	skos:broader	isac:interactive_function_ .