Dieter Fensel Frank van Harmelen Bo Andersson Paul Brennan Hamish Cunningham Emanuele Della Valle Florian Fischer Zhisheng Huang Atanas Kiryakov Tony Kyung-il Lee Lael Schooler Volker Tresp Stefan Wesner Michael Witbrock Ning Zhong 524-529 2008 ICSC http://doi.ieeecomputersociety.org/10.1109/ICSC.2008.41 conf/semco/2008 db/conf/semco/icsc2008.html#FenselHABCVFHKLSTWWZ08