Graham Hench Elena Paslaru Bontas Simperl Alexander Wahler Dieter Fensel A Conceptual Roadmap for Scalable Semantic Computing. 562-568 2008 ICSC http://doi.ieeecomputersociety.org/10.1109/ICSC.2008.85 conf/semco/2008 db/conf/semco/icsc2008.html#HenchSWF08