Here's a practical guide to designing business processes. The book details innovative business process management methods and software tools, fundamentals, and modeling languages. The authors focus on the most effective, in their experience, model for representing business processes - Petri nets, namely XML nets. A separate chapter is devoted to the Horus method, an original development of PROMATIS, which determines the sequence of actions necessary to create a full-fledged business process model. The book will be useful not only for direct developers of business models, but also for company executives and students of business schools.