A process model is very often used for system analysis, design and management in various application areas. The contributions deal with different approaches to process modelling, especially in the areas of business process modelling, logistics and production processes and water systems.

B. Scholz-Reiter, A. Nethe, H.-D. Stahlmann: Preface.- Common Approaches: A. Nethe, H.-D. Stahlmann: Survey of a General Theory of Process Modelling.- J.-A. Müller: Automatic Model Generation in Process Modelling.- N. Mazzocca, S. Russo, V Vittorini: The Modelling Process and Petri Nets: Reasoning on Different Approaches.- A. Schleicher: High-Level Modelling of Development Processes.- J. Perl: Aspects and Potentiality of Unconventional Modelling of Processes in Sporting Events.- Y. V. Zagorodni, V. V. Voytenko, A. L. Boyko: Studying of the Influence of Phytoviruses on Plants` Organism in Conditions of Ecological Instability and its Estimation by Mathematical Modelling in CEIS System.- Business Processes Modelling: C. v. Uthmann, J. Becker: Guidelines of Modelling (GoM) for Business Process Simulation.- F. Weichhardt: Modelling and Evaluation of Processes Based on Enterprise Goals.- C. Aichele: Performance Measurement Based Process Modelling.- D. Bastian, B. Scholz-Reiter: Transparency and Flexibility: Towards an Adaptable Environment for Cooperative Modelling.- G. M. Giaglis: Transformation of Static Process Models into Dynamic Simulations: Issues and Considerations.- S. Krötzsch, I. Hofmann, G. Paul, E. Ambos: Process Modelling during the Determining of Offers for Castings.- R. Endl, M. Meyer: Potential of Business Process Modelling with Regard to Available Workflow Management Systems.- M. Ort, U. Pape: Flexible Process Management.- D. Specht, J.. Heina, R. Kirchhof: Benchmark-based Dynamic Process Management with an Example of a Decentralised Organised Service Industry.- J. Gausemeier, O. v. Bohuszewicz, A. Lewandowski, A. Siebe, M. Soetebeer: Computer Integrated Redesign and Visualisation of Business Computer.- Logistics Processes: J.Rieckmann: Componentware for Supporting Transport Logistics.- K. F. Zastrow: Modelling of Track Bound Line Operation in Public Transport Systems.- Engineering Processes: U. Diemar: The Application of the Hamiltonian Formalism by Means of Tensor Calculus to an Electrical Circuit.- E. Nolle: Determination of the Magnetic Stray Field with an Equivalent Source Model.- J. Nagel: The Development of a Process Model in the Energy Supply System.- P. Jaschke, H. Waller: Different Techniques of the Modelling of Hydrodynamic Couplings.- Production Processes: M. Thiel, J. Beyer, R. Schulz, P. Gmilkowsky: Simulation-based Production Control for Complex Industrial Processes by the Use of a Multilevel Concept.- B. Lenz, G. Reinhart, F. Rick, H.-J. Trossin: Process Prototyping of Manufacturing Processes.- H. Müller, T. Peuker, G. Wozny: Advanced Software Improves Decision Quality in Rolling Mill Technology.- J. Biedermann, L. Cromme, S. Würll: Process Optimisation in the Packaging Industry of the Energy Industry: Optimisation of Weight Limits.- M. Bothen, L. Kiesewetter: Process Model for the Abrasion Mechanism during Micro Abrasive Blasting (MAB) of Brittle Materials.- J. Wortberg, M. Al-Haj Mustafa: Model Based Approaches for Closed-Loop Quality Control in Injection Moulding.- S. A. MacGregor, L. B. Newnes, J. N. Staniforth, R. C. L. Lamming, M. J. Tobyn, L. Ming, G. R. Kay, M. D. Horrill, D. W. Hajee: Pharmaceutical Process Modelling.- Modelling and Simulation of Water Systems: P.W. Gräber: Modelling and Simulation of Ground Water Processes.- W. Loiskandl: Modelling Approaches for Water Flow and Solute Transport through a Porous Medium.- R. Rödel: Space-Time-Modelling of Ascending Salty Water in the Werra-Potash District.- W. Arnold, M. Nishigaki: Mass- and Energy Migration in