H. Kim, S. Scerri, J. Breslin, S. Decker, and H. Kim. Proceedings of the 2008 International Conference on Dublin Core and Metadata Applications, page 128--137. Berlin, Deutschland, Dublin Core Metadata Initiative, (2008)
C. Cattuto, D. Benz, A. Hotho, and G. Stumme. The Semantic Web - ISWC 2008, volume 5318 of Lecture Notes in Computer Science, page 615--631. Springer Berlin / Heidelberg, (2008)
M. Zhou, S. Bao, X. Wu, and Y. Yu. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, volume 4825 of LNCS, page 673--686. Berlin, Heidelberg, Springer Verlag, (November 2007)