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DOI: 10.14569/IJACSA.2015.060936
PDF

Fuzzy Based Evaluation of Software Quality Using Quality Models and Goal Models

Author 1: Arfan Mansoor
Author 2: Detlef Streitferdt
Author 3: Franz-Felix Fußl

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 6 Issue 9, 2015.

  • Abstract and Keywords
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Abstract: Software quality requirements are essential part for the success of software development. Defined and guaranteed quality in software development requires identifying, refining, and predicting quality properties by appropriate means. Goal models of goal oriented requirements engineering (GORE) and quality models are useful for modelling of functional goals as well as for quality goals. Once the goal models are obtained representing the functional requirements and integrated quality goals, there is need to evaluate each functional requirement arising from functional goals and quality requirement arising from quality goals. The process consist of two main parts. In first part, the goal models are used to evaluate functional goals. The leaf level goals are used to establish the evaluation criteria. Stakeholders are also involved to contribute their opinions about the importance of each goal (functional and/or quality goal). Stakeholder opinions are then converted into quantifiable numbers using triangle fuzzy numbers (TFN). After applying the defuzzification process on TFN, the scores (weights) are obtained for each goal. In second part specific quality goals are identified, refined/tailored based on existing quality models and their evaluation is performed similarly using TFN and by applying defuzzification process. The two step process helps to evaluate each goal based on stakeholder opinions and to evaluate the impact of quality requirements. It also helps to evaluate the relationships among functional goals and quality goals. The process is described and applied on ’cyclecomputer’ case study.

Keywords: Decision making; Goal Models; Quality Models; NFR; Fuzzy numbers

Arfan Mansoor, Detlef Streitferdt and Franz-Felix Fußl, “Fuzzy Based Evaluation of Software Quality Using Quality Models and Goal Models” International Journal of Advanced Computer Science and Applications(IJACSA), 6(9), 2015. http://dx.doi.org/10.14569/IJACSA.2015.060936

@article{Mansoor2015,
title = {Fuzzy Based Evaluation of Software Quality Using Quality Models and Goal Models},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2015.060936},
url = {http://dx.doi.org/10.14569/IJACSA.2015.060936},
year = {2015},
publisher = {The Science and Information Organization},
volume = {6},
number = {9},
author = {Arfan Mansoor and Detlef Streitferdt and Franz-Felix Fußl}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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