Abstract
Non-functional requirements (NFRs) of software systems are an important source of uncertainty in effort estimation. Furthermore, quantitatively approaching NFR early in a project is difficult. This paper makes a step towards reducing the impact of uncertainty due to NFRs. It offers a new generic classification of the NFRs, and a NFR size measurement method (NFSM) that incorporates NFRs into the functional size quantification process. We chose the NFR framework as a vehicle to integrate NFRs into the requirements modeling process and to apply quantitative assessment procedures. Our solution proposal also rests on the functional size measurement method, COSMIC-FFP, adopted in 2003 as the ISO/IEC 19761 standard. We discuss the advantages of our approach and the open questions related to its design as well.
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Kassab, M., Ormandjieva, O., Daneva, M., Abran, A. (2008). Non-Functional Requirements Size Measurement Method (NFSM) with COSMIC-FFP. In: Cuadrado-Gallego, J.J., Braungarten, R., Dumke, R.R., Abran, A. (eds) Software Process and Product Measurement. Mensura IWSM 2007 2007. Lecture Notes in Computer Science, vol 4895. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85553-8_14
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DOI: https://doi.org/10.1007/978-3-540-85553-8_14
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