Reto Krummenacher Elena Paslaru Bontas Simperl Dieter Fensel Towards Scalable Information Spaces. 2007 New Forms of Reasoning for the Semantic Web http://www.ceur-ws.org/Vol-291/paper03.pdf conf/semweb/2007nfrsw db/conf/semweb/nfrsw2007.html#KrummenacherSF07