M. Magableh, A. Cau, H. Zedan, and M. Ward. Proceedings of the IADIS International Conferences Collaborative Technologies 2010 and Web Based Communities 2010, page 178--182. (July 2010)
{. Yeung, N. Gibbins, and N. Shadbolt. The International Workshop on Emergent Semantics and Ontology Evolution (ESOE2007) at ISWC/ASWC 2007, page 108--121. (November 2007)
R. J�schke, A. Hotho, C. Schmitz, and G. Stumme. Proc. 18. Workshop Grundlagen von Datenbanken, page 80-84. Halle-Wittenberg, Martin-Luther-Universit�t, (June 2006)