Das Planungsunterstützungssystem VIPS: Synthese und Analyse von Vorgängen auf der Basis eines elektronischen Organisationshandbuchs. - Frank Victor; Edgar Sommer; Frank von Martial (GI Jahrestagung (2), 1989)

PRAGMA: A System for Actively Capturing Procedural Knowledge via a Graphical Interface. - Edgar Sommer; Frank von Martial; Frank Victor (ECAI, 1990)

Learning Relations with Closing the World (Extended Abstract). - Edgar Sommer (ECML, 1994)

What online machine learning can do for knowledge acquisition - a case study. - Edgar Sommer; Katharina Morik; Jean-Michel André; Marc Uszynski (Knowl. Acquis., 1994)

FENDER: An Approach to Theory Restructuring (Extended Abstract). - Edgar Sommer (ECML, 1995)

Theory restructuring - a perspective on design and maintenance of knowlege based systems. - Edgar Sommer (Infix, 1996)

An Approach to Measuring Theory Quality. - Edgar Sommer (EKAW, 1996)

Extensibility in Data Mining Systems. - Stefan Wrobel; Dietrich Wettschereck; Edgar Sommer; Werner Emde (KDD, 1996)