R. Arndt, R. Troncy, S. Staab, L. Hardman, and M. Vacura. The Semantic Web: 6th International Semantic Web Conference, 2nd Asian Semantic Web Conference, ISWC 2007 + ASWC 2007, Busan, Korea, (2008)
A. Averbakh, D. Krause, and D. Skoutas. The Semantic Web -- ISWC 2009: 8th International Semantic Web Conference, Chantilly, VA, USA, volume 5823 of Lecture Notes in Computer Science, Springer, Berlin, (2009)