Stumme, Gerd. Conceptual Knowledge Processing (Invited Talk). Ontologies-based techniques for DataBases and Information Systems. editor(s) Collard, Martine and Cavarero, Jean-Louis. 5, Trondheim, Year 2005.

Cimiano, Philipp and Hotho, Andreas and Stumme, Gerd and Tane, Julien. Conceptual Knowledge Processing with Formal Concept Analysis and Ontologies. Concept Lattices. editor(s) Eklund, Peter. LNAI, (2961) 189-207, Springer, Heidelberg, Year 2004.