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A concern-oriented requirements engineering model

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Publication date2005
Host publicationAdvanced Information Systems Engineering 17th International Conference, CAiSE 2005, Porto, Portugal, June 13-17, 2005. Proceedings
EditorsOscar Pastor, João Falcão e Cunha
Place of PublicationBerlin
PublisherSpringer
Pages293-308
Number of pages16
ISBN (print)978-3-540-26095-0
<mark>Original language</mark>English

Publication series

NameLecture Notes in Computer Science
PublisherSpringer
Volume3520
ISSN (Print)0302-9743
ISSN (electronic)1611-3349

Abstract

Traditional requirements engineering approaches suffer from the tyranny of the dominant decomposition, with functional requirements serving as the base decomposition and non-functional requirements cutting across them. In this paper, we propose a model that decomposes requirements in a uniform fashion regardless of their functional or non-functional nature. This makes it possible to project any particular set of requirements on a range of other requirements, hence supporting a multi-dimensional separation. The projections are achieved through composition rules employing informal, often concern-specific, actions and operators. The approach supports establishment of early trade-offs among crosscutting and overlapping requirements. This, in turn, facilitates negotiation and decision-making among stakeholders.