Authors Purpose Main Phases Related Literature PDD Examples Conclusions.
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Transcript of Authors Purpose Main Phases Related Literature PDD Examples Conclusions.
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A framework for integrating non-functional requirements into conceptual models
Brian Arendse
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Overview Authors Purpose Main Phases Related Literature PDD Examples Conclusions
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Authors Luiz Marcio Cysneiros
› Requirements engineering› Goal models
Julio Cesar Sampaio do Prado Leite› Domain analysis› Scenario evolution
Jaime de Melo Sabat Neto
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Purpose The integration of non-functional
requirements (NFRs) into conceptual models.
Better implementation of NFRs in the design process of an information system.
Early on in the process
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Main phases1. Construct a Language Extended Lexicon
(LEL).2. Build functional model3. Build NFR model
a) Construct relations in LEL knowledge baseb) Use knowledge base to search for NFRsc) Represent NFRs using a NFR Graph
4. Integrate functional model and NFR model
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Related Literature 1/2 The first international symposium on
requirements engineering, Los Alamitos, USA.› Goguem and Linde (1993) Elicitation
techniques› Leite and Franco (1993) LEL › LEL validated by Cysneiros and Leite (1999)
Most important lesson learned: NFRs are equally important as functional requirements
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Related Literature 2/2 Chung and Nixon (1995) Dealing with
NFRs Chung, Nixon, Yu and Mylopoulos
(2000) NFR Graph
Many references towards papers of the writers.
Not much variety in the number of writers.
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PDD
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PDD – Construct LEL
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Example LEL
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PDD - Build Models
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Example Knowledge Base
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NFRs
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PDD - Build Models
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Example NFR Graph
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PDD – Integrate Models 1/2
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PDD – Integrate Models 2/2
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Example Integraded Model
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Conclusions A framework for integrating non-
functional requirements into conceptual models by the means of:› LEL› NFR Model› Functional Model› Integrated Model
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Questions
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