Requirements engineering is the process of discovering, documenting and managing the requirements for a computer-based system. The goal of requirements engineering is to produce a set of system requirements which, as far as possible, is complete, consistent, relevant and reflects what the customer actually wants. Although this ideal is probably unattainable, the use of a systematic approach based on engineering principles leads to better requirements than the informal approach which is still commonly used. This book presents a set of guidelines which reflect the best practice in requirements engineering. Based on the authors' experience in research and in software and systems development, these guidelines explain in an easy-to-understand way how you can improve your requirements engineering processes. The guidelines are applicable for any type of application and, in general, apply to both systems and software engineering.Content: Front Matter Preface Table of Contents1. Introduction2. Practical Process Improvement3. The Requirements Document4. Requirements Elicitation5. Requirements Analysis and Negotiation6. Describing Requirements7. System Modelling8. Requirements Validation9. Requirements Management10. Requirements Engineering for Critical Systems11. System Modelling with Structured Methods12. Formal Specification13. ViewpointsIndex