L. Schmidt-Thieme. Proceedings of the 5th IEEE International Conference on Data Mining (ICDM 2005), 27-30 November 2005, page 378-385. Houston, Texas, USA, IEEE Computer Society, (2005)
M. Vargas-Vera, E. Motta, J. Domingue, M. Lanzoni, A. Stutt, and F. Ciravegna. EKAW '02: Proceedings of the 13th International Conference on Knowledge Engineering and Knowledge Management. Ontologies and the Semantic Web, page 379--391. London, UK, Springer-Verlag, (2002)
C. Schmitz, S. Staab, R. Studer, G. Stumme, and J. Tane. Proceedings of E-Learn 2002: World Conference on E-Learning in Corporate, Government, Healthcare, & Higher Education, October 15-19 2002, Montreal, Canada, page 909-915. (2002)