This book contains compact descriptions of all essential information processing systems in industrial plants. In addition to standard applications, special emphasis is placed on interesting individual ideas as well as special features typical for the industry if these have a high excitation value for practice and science. All subsystems are arranged in an integrated enterprise model (reference model) with verbal descriptions, tabular overviews, and function trees. Data exchange between business and technical programs is taken into account, as is intercompany data traffic (e-business). The book also contains fundamental reflections on types, goals, conceptual rules, and particular problems of integrated information processing, on architectures, and a wealth of practical examples. Because of its worldwide importance, many.