Requirements Engineering: From System Goals to UML Models to by Axel van Lamsweerde

By Axel van Lamsweerde

Crucial accomplished insurance of the basics of necessities engineering

Requirements engineering (RE) offers with the range of necessities that needs to be met by way of a software program method inside a company to ensure that that procedure to provide stellar effects. With that clarification in brain, this must-have booklet offers a disciplined method of the engineering of high quality specifications. Serving as a worthwhile advent to the elemental techniques and rules of necessities engineering, this consultant bargains a complete evaluation of the purpose, scope, and position of necessities engineering in addition to top practices and flaws to prevent.

  • Shares state of the art options for area research, requisites elicitation, probability research, clash administration, and more
  • Features in-depth therapy of procedure modeling within the particular context of engineering requirements
  • Presents numerous types of reasoning approximately types for standards caliber assurance
  • Discusses the transitions from specifications to software program requirements to software program architecture

In addition, case stories are integrated that supplement the various examples supplied within the e-book with a view to convey you the way the defined procedure and strategies are utilized in useful situations.

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Extra info for Requirements Engineering: From System Goals to UML Models to Software Specifications

Sample text

In spite of their difference in aim and supporting techniques, the activities composing the RE process are highly intertwined. We review them individually first and then discuss their interaction. Domain understanding This activity consists of studying the system-as-is within its organizational and technical context. The aim is to acquire a good understanding of: • The domain in which the problem world is rooted. • What the roots of the problem are. More specifically, we need to get an accurate and comprehensive picture of the following aspects: • The organization within which the system-as-is takes place: its structure, strategic objectives, business policies, roles played by organizational units and actors, and dependencies among them.

The chapter also introduces three case studies from which running examples will be taken throughout the book. These case studies will additionally provide a basis for many exercises at the end of chapters. They are taken from quite different domains to demonstrate the wide applicability of the concepts and techniques. Although representative of real-world systems, the case study descriptions have been simplified to make our examples easily understandable ~thout significant domain expertise. The first case study is a typical instance of an information system.

The following descriptions are intended to set up the context in which our running examples will be used throughout the book. They will also provide further insights into the scope and dimensions of the problem world. We should not consider them as problem statements, but rather as fragmentary material collected from preliminary investigations of the problem world (perhaps by use of the elicitation techniques discussed in Chapter 2). Setting the scene II Fundamentals of Requirements Engineering ..

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