B. Krause, A. Hotho, и G. Stumme. 30th European Conference on IR Research, ECIR 2008, том 4956 из Lecture Notes in Computer Science, стр. 101-113. Glasgow, UK, Springer, (апреля 2008)
R. Jäschke, A. Hotho, F. Mitzlaff, и G. Stumme. Recommender Systems for the Social Web, том 32 из Intelligent Systems Reference Library, Springer, Berlin/Heidelberg, (2012)
A. Hotho, R. Jäschke, C. Schmitz, и G. Stumme. Proceedings of the Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, Aalborg, Denmark, Aalborg University Press, (июля 2006)
A. Hotho, R. Jäschke, C. Schmitz, и G. Stumme. Proceedings of the Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, (2006)to appear.