P. Cimiano, S. Staab, and J. Tane. Proceedings of the ECML / PKDD Workshop on Adaptive Text Extraction and Mining, page 10--17. Cavtat-Dubrovnik, Croatia, (2003)
A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, page 87-102. Aalborg, Aalborg Universitetsforlag, (2006)
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)
A. Hotho, R. Jäschke, C. Schmitz, and G. Stumme. Informatik 2006 - Informatik für Menschen. Band 2, volume P-94 of Lecture Notes in Informatics, Bonn, Gesellschaft für Informatik, (October 2006)Proc. Workshop on Applications of Semantic Technologies, Informatik 2006.