RE is a flexible process where activities and tasks can be mixed in many different combinations. So while there is no one “cook-book” method for requirements, the basic steps can be described and composed into a process depending on the application context being investigated. However, a single all-embracing RE cook-book method would not be desirable. RE has to fit into a range of different contexts, and integrate with existing development methods such as SSADM, the more recent object-oriented development methods and the unified modelling process. Consequently, this chapter will review the activities in RE as a set of tasks, and then present them as processes for different requirements contexts, i.e. variations according to the application being developed and the starting point of the requirements investigation.
KeywordsRequirement Analysis Goal Modelling Requirement Engineer Enterprise Resource Plan Configurable Product
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