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    Sensitivity Analysis of the i* Optimisation Model

    Access Status
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    Authors
    Subramanian, C.
    Krishna, Aneesh
    Kaur, Arshinder
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Subramanian, C. and Krishna, A. and Kaur, A. 2016. Sensitivity Analysis of the i* Optimisation Model. Journal of Software. 11 (1): pp. 10-26.
    Source Title
    Journal of Software
    DOI
    10.17706/jsw.11.1.10-26
    ISSN
    1796-217X
    School
    Department of Computing
    URI
    http://hdl.handle.net/20.500.11937/14410
    Collection
    • Curtin Research Publications
    Abstract

    Requirement elicitation is an important activity in early requirement engineering. Several well-known approaches and goal models have been developed to deal with requirement elicitation. The i* goal model is used to represent the socio-technical domains and can be used for analysis in early requirement analysis. The elicitation process is complicated by the incomplete and imprecise input data available for analysis. Imprecise and unavailable data can be captured by fuzzy logic and then it can be managed by the popular operation research techniques known as optimisation. This paper presents a formal multi-objective optimisation model, for the i* framework, with regard to requirement elicitation. The optimisation model has the capacity to handle large and complex systems. The optimisation model has been expanded to include sensitivity analysis, in order to facilitate useful information on input data for the requirement analyst. The proposed approach is explained using the London Ambulance System case study and is evaluated using a simulation based analysis.

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