Refining Behavioral Specification for Satisfying Non-functional Requirements of Stakeholders

  • KAIYA Haruhiko
    the Department of Information Engineering, Faculty of Engineering, Shinshu University
  • KAIJIRI Kenji
    the Department of Information Engineering, Faculty of Engineering, Shinshu University

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Abstract

System specifications should be refined to meet stakeholders' requirements as much as possible, because the first specification does not satisfy all stakeholders in general. This paper presents a procedure to refine behavioral specification to satisfy stakeholders. Non-functional requirements are used for checking stakeholders' satisfaction. With this procedure, stakeholder-dissatisfaction can be reduced and new possibilities to satisfy or dissatisfy other stakeholders can be found, since a modification to cancel dissatisfaction can sometimes influence the satisfaction of the others.

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