F. Baader, B. Ganter, B. Sertkaya, and U. Sattler. Proceedings of the 20th international joint conference on Artifical intelligence, page 230--235. San Francisco, CA, USA, Morgan Kaufmann Publishers Inc., (2007)
B. Ganter, and S. Kuznetsov. Conceptual Structures: Theory, Tools and Applications, volume 1453 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (1998)
R. Jäschke, A. Hotho, C. Schmitz, B. Ganter, and G. Stumme. Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 06), page 907-911. Hong Kong, IEEE Computer Society, (December 2006)
R. Jäschke, A. Hotho, C. Schmitz, B. Ganter, and G. Stumme. Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 06), page 907-911. Hong Kong, IEEE Computer Society, (December 2006)
R. Jäschke, A. Hotho, C. Schmitz, B. Ganter, and G. Stumme. ICDM '06: Proceedings of the Sixth International Conference on Data Mining, page 907--911. Washington, DC, USA, IEEE Computer Society, (2006)