D. Abrams, R. Baecker, и M. Chignell. Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, стр. 41--48. New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., (1998)
B. Krause, R. Jäschke, A. Hotho, и G. Stumme. HT '08: Proceedings of the nineteenth ACM conference on Hypertext and hypermedia, стр. 157--166. New York, NY, USA, ACM, (2008)
B. Krause, A. Hotho, и G. Stumme. Proceedings of the IR research, 30th European conference on Advances in information retrieval, стр. 101--113. Berlin, Heidelberg, Springer-Verlag, (2008)
A. Hotho, R. Jäschke, C. Schmitz, и G. Stumme. Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, стр. 87-102. Aalborg, Aalborg Universitetsforlag, (2006)
C. Cattuto, D. Benz, A. Hotho, и G. Stumme. The Semantic Web -- ISWC 2008, том 5318 из Lecture Notes in Computer Science, стр. 615--631. Berlin/Heidelberg, Springer, (2008)