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Requirements Engineering

, Volume 6, Issue 2, pp 97–115 | Cite as

A Framework for Integrating Non-Functional Requirements into Conceptual Models

  • Luiz Marcio Cysneiros
  • Julio Cesar Sampaio do Prado Leite
  • Jaime de Melo Sabat Neto
Original Article

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.

Key words:Entity-relationship model – Non-functional requirements – Quality attributes – Requirements elicitation – Requirements engineering – UML 

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Copyright information

© Springer-Verlag London Limited 2001

Authors and Affiliations

  • Luiz Marcio Cysneiros
    • 1
  • Julio Cesar Sampaio do Prado Leite
    • 1
  • Jaime de Melo Sabat Neto
    • 1
  1. 1.Departamento de Informa´tica, Pontifócia Universidade Católica do Rio de Janeiro, Rio de Janeiro, BrazilBR

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