R. Krestel, and L. Chen. Proceedings of the 3rd Asian Semantic Web Conference on The Semantic Web, page 257--271. Berlin, Heidelberg, Springer-Verlag, (2008)
F. Suchanek, M. Vojnovic, and D. Gunawardena. Proceeding of the 17th ACM conference on Information and knowledge management, page 223--232. New York, NY, USA, ACM, (2008)
C. Cattuto, D. Benz, A. Hotho, and G. Stumme. The Semantic Web -- ISWC 2008, Proc.Intl. Semantic Web Conference 2008, volume 5318 of LNAI, page 615--631. Heidelberg, Springer, (2008)
J. Illig, A. Hotho, R. Jäschke, and G. Stumme. Postproceedings of the International Conference on Knowledge Processing in Practice (KPP2007), Springer, (to appear)