Part I, Overview of the CoSMoS Approach.- CoSMoS: Rationale and Concepts.- What's In It for Me?.- The CoSMoS Approach in Miniature.- Part II, The Core CoSMoS Pattern Language.- The CoSMoS Simulation Pattern.- Discovery Phase Patterns: Building the Domain Model.- Development Phase Patterns: Developing the Platform.- Exploration Phase Patterns: Using the Platform.- Structured Argumentation Patterns.- Part III, The CoSMoS Helper Patterns.- Modelling...