Burmeister, Peter. "ConImp: Ein Programm zur Formalen Begriffsanalyse." Paper presented at the meeting of the Begriffliche Wissensverarbeitung: Methoden und Anwendungen, Heidelberg, 2000.

Biedermann, Klaus. "How triadic diagrams represent conceptual structures." Paper presented at the meeting of the Conceptual structures: Fulfilling Peirce's dream, Berlin--Heidelberg--New York, 1997.

Biedermann, Klaus. "Triadic Galois connections." Paper presented at the meeting of the General algebra and applications in discrete mathematics, Aachen, 1997.

Ehrenberger, Petra. "Erstellung eines Begrifflichen Erkundungssystems zur Bildlogik Picassos." Masters thesis, TH Darmstadt, 1997.

Pollandt, Silke. Fuzzy Begriffe: Formale Begriffsanalyse von unscharfen Daten. Berlin--Heidelberg: Springer--Verlag, 1997.

Stumme, Gerd and Wolff, Karl Erich. "Computing in Conceptual Data systems with relational structures." Paper presented at the meeting of the Proc. Intl. Symposium on Knowledge Retrieval, Use, and Storage for Efficiency, Vancouver, Canada, 1997.

Biedermann, Klaus and Wille, Rudolf. "Valuations and hierarchizations." Paper presented at the meeting of the From data to knowledge, Heidelberg, 1996.

Stumme, Gerd. "Local Scaling in Conceptual Data Systems." Paper presented at the meeting of the Conceptual Structures: Knowledge Representation as Interlingua Proc. ICCS'96, Heidelberg, 1996.

Wille, Rudolf. "Conceptual structures of multicontexts." Paper presented at the meeting of the Conceptual structures: representation as interlingua, Berlin--Heidelberg--New York, 1996.

Wille, Rudolf. "Restructuring mathematical logic: an approach based on Peirce's pragmatism." Paper presented at the meeting of the Logic and algebra, New~York, 1996.

Bartenschlager, Georg. "Free bounded distributive lattices over finite ordered sets and their skeleton." Acta Math.~Univ.~Comenianae LXIV (1995): 1-23.

Lehmann, Fritz and Wille, Rudolf. "A triadic approach to formal concept analysis." Paper presented at the meeting of the Conceptual structures: applications, implementation and theory, Berlin--Heidelberg--New~York, 1995.

Stumme, Gerd. "Knowledge acquisition by distributive concept exploration." Paper presented at the meeting of the Conceptual structures: applications, implementation and theory, Berlin--Heidelberg--New~York, 1995.

Wille, Rudolf. "The basic theorem of triadic concept analysis." Order 12 (1995): 149-158.

Rindfrey, K.. " Endliche, einstellige Algebren (S,f)
untersucht mit Methoden der Formalen Begriffsanalyse." Masters thesis, TH Darmstadt , 1988 .

Ganter, Bernhard. " Algorithmen zur Formalen Begriffsanalyse ." In Beiträge zur Begriffsanalyse , edited by B. Ganter, R. Wille and K. E. Wolff , 241-254 . Mannheim : B.I.--Wissenschaftsverlag , 1987 .

Luksch, Peter and Wille, Rudolf. " Substitution decomposition of concept
lattices ." Paper presented at the meeting of the Contributions to general algebra , Wien , 1987 .

Wille, Rudolf. "Bedeutungen von Begriffsverbänden." In Beiträge zur Begriffsanalyse , edited by Bernhard Ganter, Rudolf Wille and Karl Erich Wolff , 161-211 . Mannheim : B.I.--Wissenschaftsverlag , 1987 .

Ganter, Bernhard, Stahl, Jürgen and Wille, Rudolf. " Conceptual measurement and many--valued
contexts ." Paper presented at the meeting of the Classification as a tool of research , Amsterdam , 1986 .

Wille, Rudolf. " Liniendiagramme hierarchischer Begriffssysteme ." In Anwendungen der Klassifikation: Datenanalyse
und numerische Klassifikation , edited by Hans-Herrmann Bock , 32-51 . Frankfurt : Indeks--Verlag , 1984 .