Cimiano, Philipp ; Hotho, Andreas ; Stumme, Gerd ; Tane, Julien ; Eklund, Peter (Bearb.): Conceptual Knowledge Processing with Formal Concept Analysis and Ontologies In: Concept Lattices. 2961. Berlin/Heidelberg : Springer, 2004 Lecture Notes in Computer Science). - ISBN-978-3-540-21043-6, S. 189--207