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A Meta-model for the Assessment of Non-Functional Requirement Size

Non-functional requirements (NFRs) pose unique challenges in estimating the effort it would take to implement them. This is mainly because of their unique nature; NFRs are subjective, relative, interactive and tending to have a broad impact on the system as a whole. Nevertheless, it is crucial, when...

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Main Authors:	Kassab, M., Daneva, M., Ormandjieva, O.
Format:	Conference Proceeding
Language:	English
Subjects:	Application software COSMIC effort estimation Extraterrestrial measurements functional size Linear accelerators Mars meta-model Multidimensional systems NFR Non Functional Requirements Project management Scattering Size measurement Software engineering Software systems
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creator	Kassab, M. Daneva, M. Ormandjieva, O.
description	Non-functional requirements (NFRs) pose unique challenges in estimating the effort it would take to implement them. This is mainly because of their unique nature; NFRs are subjective, relative, interactive and tending to have a broad impact on the system as a whole. Nevertheless, it is crucial, when making decisions about the scope of software by given resources and budget, to furnish a justifying and quantitative analysis based on both functional requirements (FRs) and NFRs. This paper presents a meta-model which complements the FR dimension with the NFRs as another dimension to be used in effort estimation approaches. The meta-model is deployed to extend the use of the COSMIC functional size measurement method to measure the size of NFRs, as effort is a function of size. We report on a case study to demonstrate our approach in context.
doi_str_mv	10.1109/SEAA.2008.58
format	conference_proceeding
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subjects	Application software COSMIC effort estimation Extraterrestrial measurements functional size Linear accelerators Mars meta-model Multidimensional systems NFR Non Functional Requirements Project management Scattering Size measurement Software engineering Software systems
title	A Meta-model for the Assessment of Non-Functional Requirement Size
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