J. Vig, S. Sen, и J. Riedl. IUI '09: Proceedings of the 13th international conference on Intelligent user interfaces, стр. 47--56. New York, NY, USA, ACM, (2008)
J. Tang, H. fung Leung, Q. Luo, D. Chen, и J. Gong. Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence, стр. 2089-2094. Pasadena, California, USA, (2009)
R. Jäschke, A. Hotho, C. Schmitz, и G. Stumme. Proc. 18. Workshop Grundlagen von Datenbanken, стр. 80-84. Halle-Wittenberg, Martin-Luther-Universität, (июня 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, Aalborg, Denmark, Aalborg University Press, (июля 2006)
B. Krause, A. Hotho, и G. Stumme. Advances in Information Retrieval, 30th European Conference on IR Research, ECIR 2008, 4956, стр. 101-113. Springer, (2008)
R. Jäschke, B. Krause, A. Hotho, и G. Stumme. Proceedings of the Second International Conference on Weblogs and Social Media(ICWSM 2008), AAAI Press, (2008)