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Title: Towards an approach for analysing the strategic alignment of software requirements using quantified goal graphs
Authors: Ellis-Braithwaite, Richard
Lock, Russell
Dawson, Ray
Haque, Badr
Keywords: Requirements engineering
Requirements traceability
Quantified goal graphs
Strategic alignment
Issue Date: 2013
Publisher: IARIA © the authors
Citation: ELLIS-BRAITHWAITE, R. ... et al, 2013. Towards an approach for analysing the strategic alignment of software requirements using quantified goal graphs. International Journal on Advances in Software, 6 (2), pp.119-130.
Abstract: Analysing the strategic alignment of software requirements primarily provides assurance to stakeholders that the software-to-be will add value to the organisation. Additionally, such analysis can improve a requirement by disambiguating its purpose and value, thereby supporting validation and value-oriented decisions in requirements engineering processes, such as prioritisation, release planning, and trade-off analysis. We review current approaches that could enable such an analysis. We focus on Goal Oriented Requirements Engineering methodologies, since goal graphs are well suited for relating software goals to business goals. However, we argue that unless the extent of goal-goal contribution is quantified with verifiable metrics, goal graphs are not sufficient for demonstrating the strategic alignment of software requirements. Since the concept of goal contribution is predictive, what results is a forecast of the benefits of implementing software requirements. Thus, we explore how the description of the contribution relationship can be enriched with concepts such as uncertainty and confidence, non-linear causation, and utility. We introduce the approach using an example software project from Rolls-Royce.
Description: This article was published in the International Journal on Advances in Software under a Creative Commons CC-BY-NC-SA licence (http://creativecommons.org/licenses/by-nc-sa/2.5/).
Version: Published
URI: https://dspace.lboro.ac.uk/2134/12807
ISSN: 1942-2628
Appears in Collections:Conference Papers and Presentations (Computer Science)

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