Dau, F.; Mugnier, M.-L. & Stumme, G., ed. (2005), Contributions to ICCS 2005, kassel university press, Kassel.

Dau, F.; Mugnier, M.-L. & Stumme, G., ed. (2005), Conceptual Structures: Common Semantics for Sharing Knowledge, 13th International Conference on Conceptual Structures, ICCS 2005, Kassel, Germany, July 17-22, 2005, Proceedings, Vol. 3596, Springer.

Delugach, H. & Stumme, G., ed. (2001), Conceptual Structures -- Broadening the Base. Proc. 9th International Conference on Conceptual Structures, Vol. 2120, Springer, Heidelberg.

Eklund, P.; Groh, B.; Stumme, G. & Wille, R. (2000), Contextual-Logic Extension of TOSCANA., in B. Ganter & G. W. Mineau, ed.,'Conceptual Structures: Logical, Linguistic, and Computational', Springer, Heidelberg, pp. 453-467.

Stumme, G., ed. (2000), Working with Conceptual Structures -- Contributions to ICCS 2000. Suppl. Proc. 8th International                  Conference on Conceptual Structures (ICCS 2000), Shaker, Aachen.

Mineau, G.; Stumme, G. & Wille, R. (1999), Conceptual Structures  Represented by Conceptual Graphs and Formal Concept Analysis, in W. Tepfenhart & W. Cyre, ed.,'Conceptual Structures: Standards  and  Practices. Proc. ICCS '99', Springer, Heidelberg, pp. 423-441.