J. Dehnert, A. Freiheit, and A. Zimmermann. Bringing Knowledge to Business Processes, Workshop in the American Association for Artificial Intelligence (AAAI) Spring Symposium Series 2000, (2000)
A. Zimmermann, J. Freiheit, R. German, and G. Hommel. Computer Performance Evaluation / TOOLS, volume 1786 of Lecture Notes in Computer Science, page 188-202. Springer, (2000)
N. Cuntz, J. Freiheit, and E. Kindler. Proceedings of Fourth Workshop on Event-Driven Process Chains (WI-EPK 2005), page 7--23. Hamburg, Germany, Gesellschaft für Informatik, Bonn, (December 2005)