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The Scientific World Journal - Volume 2014 2014, Article ID 737626, 13 pages -

Research ArticleFaculty of Computer Science and Information Technology, University of Malaya, Kuala Lumpur 50603, Malaysia

Received 28 October 2013; Accepted 2 March 2014; Published 10 April 2014

Academic Editors: J. Shu and F. Yu

Copyright © 2014 Mohammad Dabbagh and Sai Peck Lee. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Due to the budgetary deadlines and time to market constraints, it is essential to prioritize software requirements. The outcome of requirements prioritization is an ordering of requirements which need to be considered first during the software development process. To achieve a high quality software system, both functional and nonfunctional requirements must be taken into consideration during the prioritization process. Although several requirements prioritization methods have been proposed so far, no particular method or approach is presented to consider both functional and nonfunctional requirements during the prioritization stage. In this paper, we propose an approach which aims to integrate the process of prioritizing functional and nonfunctional requirements. The outcome of applying the proposed approach produces two separate prioritized lists of functional and non-functional requirements. The effectiveness of the proposed approach has been evaluated through an empirical experiment aimed at comparing the approach with the two state-of-the-art-based approaches, analytic hierarchy process AHP and hybrid assessment method HAM. Results show that our proposed approach outperforms AHP and HAM in terms of actual time-consumption while preserving the quality of the results obtained by our proposed approach at a high level of agreement in comparison with the results produced by the other two approaches.

Autor: Mohammad Dabbagh and Sai Peck Lee



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