J. Griesbaum, и S. Kepp. Proceedings of I-KNOW 2010, 10 International Conference on Knowledge Management and Knowledge Technologies, стр. 415-426. Graz, (сентября 2010)
K. Kotis. On the Move to Meaningful Internet Systems: OTM 2008 Workshops, том 5333 из Lecture Notes in Computer Science, стр. 193-199. Berlin / Heidelberg, Germany, Springer, (2008)
S. Schaffert. Enabling Technologies: Infrastructure for Collaborative Enterprises, 2006. WETICE '06. 15th IEEE International Workshops on, стр. 388-396. (2006)