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Issue No. 02 - March/April (2003 vol. 20)
ISSN: 0740-7459
pp: 58-65
Soren Lauesen , IT-University of Copenhagen
<p>Many IT systems fail to satisfy business goals or support users efficiently, even when the system meets written requirements. Why? Usually because the requirements rather arbitrarily specify what a system shall do, and barely consider its context. Stakeholders cannot check that such requirements meet expectations. To remedy this situation, the Tasks & Support approach uses task descriptions that specify what the user and computer shall accomplish together without being explicit about who performs which parts of a task. The requirement is simply to support the identified tasks. Stakeholders can easily validate and later verify such requirements. This approach is just as successful for product development and large-scale work restructuring as it is for buying commercial off-the-shelf products. Although the resulting requirements are of higher quality than traditional requirements, they are much faster to produce.</p>
requirements, task descriptions, use cases, COTS, validation, business goals, tender process

S. Lauesen, "Task Descriptions as Functional Requirements," in IEEE Software, vol. 20, no. , pp. 58-65, 2003.
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