C. Schmitz, S. Staab, R. Studer, G. Stumme, und J. Tane. Proc. of E-Learning 2002 World Conference on E-Learning in Corporate, Government, Healthcare and Higher Education on (E-Learning 2002), AACE, Seite 909-915. Norfolk, (2002)Awarded paper.
G. Stumme. Conceptual Structures: Integration and Interfaces, Volume 2393 von LNAI, Seite 2-19. Heidelberg, Springer, (2002)Invited Talk, summary of stumme03offtonew.