1996
Extensibility in Data Mining Systems.
Proceedings of the Second International Conference on Knowledge Discovery and Data Mining (KDD-96), 1996

An Approach to Measuring Theory Quality.
Proceedings of the Advances in Knowledge Acquisition, 1996

Theory restructuring - a perspective on design and maintenance of knowlege based systems.
PhD thesis, 1996

1995
FENDER: An Approach to Theory Restructuring (Extended Abstract).
Proceedings of the Machine Learning: ECML-95, 1995

1994
What online machine learning can do for knowledge acquisition - a case study.
Knowl. Acquis., 1994

Learning Relations with Closing the World (Extended Abstract).
Proceedings of the Machine Learning: ECML-94, 1994

1990
PRAGMA: A System for Actively Capturing Procedural Knowledge via a Graphical Interface.
Proceedings of the 9th European Conference on Artificial Intelligence, 1990

1989
Das Planungsunterstützungssystem VIPS: Synthese und Analyse von Vorgängen auf der Basis eines elektronischen Organisationshandbuchs.
Proceedings of the GI, 1989