A Framework for Integrating Non-Functional Requirements into Conceptual Models |
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Authors: | Luiz Marcio Cysneiros Julio Cesar Sampaio do Prado Leite Jaime de Melo Sabat Neto |
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Affiliation: | (1) Departamento de Informa′tica, Pontifócia Universidade Católica do Rio de Janeiro, Rio de Janeiro, Brazil, BR |
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Abstract: | The development of complex information systems calls for conceptual models that describe aspects beyond entities and activities.
In particular, recent research has pointed out that conceptual models need to model goals, in order to capture the intentions
which underlie complex situations within an organisational context. This paper focuses on one class of goals, namely non-functional
requirements (NFR), which need to be captured and analysed from the very early phases of the software development process.
The paper presents a framework for integrating NFRs into the ER and OO models. This framework has been validated by two case
studies, one of which is very large. The results of the case studies suggest that goal modelling during early phases can lead
to a more productive and complete modelling activity. |
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Keywords: | :Entity-relationship model – Non-functional requirements – Quality attributes – Requirements elicitation – Requirements engineering – UML |
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