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On the meaning of inheritance in i*
Clotet Martínez, Roger; Franch Gutiérrez, Javier; López Cuesta, Lidia; Marco Gómez, Jordi; Seyff, Norbert; Grünbacher, Paul
Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics; Universitat Politècnica de Catalunya. Departament d'Enginyeria de Serveis i Sistemes d'Informació; Universitat Politècnica de Catalunya. GESSI - Grup de recerca en Enginyeria del Software per als Sistemes d'Informació
The is-a relationship among actors has been introduced since the very beginning of i*. However, the effect of this construct at the level of intentional elements and dependencies is not always clear. In this paper, we explore the semantics of inheritance in i*. Aligning with its usual meaning in object-orientation, we distinguish 3 main notions to be defined: extension, refinement, and redefinition. For each of them, we study its effects on the different types of intentional elements and their links, and also dependencies, making explicit what can be and cannot be done. We illustrate the proposal with an example that makes intensive use of inheritance, a multi-stakeholder distributed system in which different types of related stakeholders co-exist.
Àrees temàtiques de la UPC::Informàtica::Enginyeria del software
Object-oriented programming
i*
Inheritance
Programació orientada a l'objecte (Informàtica)
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/submittedVersion
info:eu-repo/semantics/conferenceObject
Tapir Academic Press
         

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