Consistency preserving co-evolution of formal specifications and agent-oriented conceptual models

• Autores: Aneesh Krishna, Sergiy A. Vilkomir, Aditya K. Ghose
• Localización: Information and software technology, ISSN 0950-5849, Vol. 51, Nº 2, 2009, págs. 478-496
• Idioma: inglés
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• Resumen

  • Many modelling techniques tend to address �late-phase� requirements while many critical modelling decisions (such as determining the main goals of the system, how the stakeholders depend on each other, and what alternatives exist) are taken during early-phase requirements engineering. The i* modelling framework is a semiformal agent-oriented conceptual modelling language that is well-suited for answering these questions. This paper addresses key challenge faced in the practical deployment of agent-oriented conceptual modelling frameworks such as i*. Our approach to addressing this problem is based on the observation that the value of conceptual modelling in the i* framework lies in its use as a notation complementary to existing requirements modelling and specification languages, i.e., the expressive power of i* complements rather than supplants that of existing notations. The use of i* in this fashion requires that we define methodologies that support the co-evolution of i* models with more traditional specifications. This research examines how this might be done with formal specification notations (specifically Z).