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)
Y. Yao. Proceedings of 2004 Annual Meeting of the North American Fuzzy Information Processing Society(NAFIPS 2004),IEEE Catalog Number: 04 TH 8736, page 796-801. (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)
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)
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)
M. Hildebrand, J. van Ossenbruggen, and L. Hardman. International Semantic Web Conference, volume 4273 of Lecture Notes in Computer Science, page 272-285. Springer, (2006)