Denisse Muñante Arzapalo

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In the field of access control, many security breaches occur because of a lack of early means to evaluate if access control policies are adequate to satisfy privileges requested by subjects which try to perform actions on objects. This paper proposes an approach based on UMLsec, to tackle this problem. We propose to extend UMLsec, and to add OrBAC elements.(More)
Information systems (ISs) are composed of functional requirements (FRs) and non-functional requirements (NFRs). An NFR does not determine the function of the system itself, but the quality characteristics of an IS; for example, error handling, auditing, and access control. Non-functional requirements are often included in the coding phase of the IS, and(More)
Decisions concerning prioritisation occur in different moments during software development and can involve different stakehold-ers. Our research objective is to develop prioritisation processes that meet stakeholders' needs, and allow obtaining better quality decisions. In this paper we propose a structured approach to model decision-making in real setting(More)
End-user feedback is becoming more important for the evolution of software systems. There exist various communication channels for end-users (app stores, social networks) which allow them to express their experiences and requirements regarding a software application. End-users communicate a large amount of feedback via these channels which leads to open(More)
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