A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Proc. First International Conference on Semantics And Digital Media Technology (SAMT), volume 4306 of LNCS, page 56-70. Heidelberg, Springer, (December 2006)
P. Cimiano, S. Handschuh, and S. Staab. WWW '04: Proceedings of the 13th international conference on World Wide Web, page 462--471. New York, NY, USA, ACM Press, (2004)
P. Cimiano, G. Ladwig, and S. Staab. WWW '05: Proceedings of the 14th international conference on World Wide Web, page 332--341. New York, NY, USA, ACM Press, (2005)
J. Mori, T. Tsujishita, Y. Matsuo, and M. Ishizuka. International Semantic Web Conference, volume 4273 of Lecture Notes in Computer Science, page 487-500. Springer, (2006)