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Erschienen in:
2009 | OriginalPaper | Buchkapitel
On Non-Functional Requirements in Software Engineering
verfasst von : Lawrence Chung, Julio Cesar Sampaio do Prado Leite
Erschienen in: Conceptual Modeling: Foundations and Applications
Verlag: Springer Berlin Heidelberg
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Essentially a software system’s utility is determined by both its functionality and its non-functional characteristics, such as usability, flexibility, performance, interoperability and security. Nonetheless, there has been a lop-sided emphasis in the functionality of the software, even though the functionality is not useful or usable without the necessary non-functional characteristics. In this chapter, we review the state of the art on the treatment of non-functional requirements (hereafter, NFRs), while providing some prospects for future directions.