Circumstantial-evidence-based effort judgement for web service composition-based SOA implementations
by Zheng Li; Liam O'Brien; He Zhang
International Journal of Space-Based and Situated Computing (IJSSC), Vol. 2, No. 1, 2012

Abstract: Considering web service composition (WSC) has increasingly become a significant practice in SOA implementations, WSC-based SOA projects would be particularly worth more attention. However, effort estimation for WSC-based SOA implementations may suffer from challenges because of the numerous and various approaches to WSC. This paper proposes circumstantial-evidence-based effort judgement as a supplementary to expert judgement to achieve qualitative effort comparison between different implementation proposals of a WSC-based SOA project. In detail: 1) Through viewing WSC-based SOA system from a perspective of mechanistic organisation, we borrow divide-and-conquer (D&C) as the generic strategy to narrow down the problem of effort judgement for the entire SOA implementation to that for individual WSCs. 2) Benefiting from an effort-oriented classification matrix, we identify a set of effort factors for individual WSC approaches. 3) By analogy, we apply the evidence concept and judgement method in forensic science to the context of effort judgement, and finally realise the qualitative effort judgement for WSC-based SOA implementations.

Online publication date: Sat, 20-Sep-2014

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