Data Analysis and Information Systems: Statistical and Conceptual Approaches Proceedings of the 19th Annual Conference of the Gesellschaft für ... Data Analysis, and Knowledge Organization)
Information and Classification Concepts, Methods and Applications Proceedings of the 16th Annual Conference of the “Gesellschaft für Klassifikation e.V.” University of Dortmund, April 1–3, 1992
New Approaches in Classification and Data Analysis (Studies in Classification, Data Analysis, and Knowledge Organization)
Classification and Knowledge Organization Proceedings of the 20th Annual Conference of the Gesellschaft Für Klassifikation E.V., University of Freiburg, March 6 - 8, 1996 ; with 80 Tables
Exploratory Data Analysis in Empirical Research Proceedings of the 25th Annual Conference of the Gesellschaft für Klassifikation e.V., University of Munich, March 14–16, 2001
Classification and Information Processing at the Turn of the Millennium Proceedings of the 23rd Annual Conference of the Gesellschaft für Klassifikation e.V., University of Bielefeld, March 10–12, 1999
Conceptual and Numerical Analysis of Data: Proceedings of the 13th Conference of the Gesellschaft für Klassifikation e.V., University of Augsburg, April 10–12, 1989
Innovations in Classification, Data Science, and Information Systems Proceedings of the 27th Annual Conference of the Gesellschaft für Klassifikation e.V., Brandenburg University of Technology, Cottbus, March 12-14, 2003
Classification, Data Analysis, and Data Highways: Proceedings of the 21st Annual Conference of the Gesellschaft für Klassifikation e.V., University of ... Data Analysis, and Knowledge Organization)
Classification, Data Analysis, and Knowledge Organization Models and Methods with Applications