Resumo As organizações estão inseridas em ambientes dinâmicos, onde mudanças são constantes graças a fatores geográficos, climáticos, financeiros e outros. Com isso, as empresas precisam manter seus processos
atualizados e funcionando adequadamente, sem desprezar os requisitos de qualidade. Baseado neste cenário, foi proposto na literatura uma abordagem de configuração de processos chamada BVCCoN. Uma etapa desta
abordagem e a modelagem dos requisitos não-funcionais, variabilidade e informação contextual. Contudo, modelar estas três perspectivas e uma atividade que consome tempo e e propensa a erros. Assim, teste artigo
propõe o desenvolvimento de um metamodelo para apoiar a modelagem das três visões citadas anteriormente. Além disso, foi desenvolvida uma ferramenta baseada no metamodelo que foi criado. Para ilustrar o uso
da ferramenta, uma avaliacão de usabilidade foi realizada.
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Support for Dynamic Business Process Configuration Modeling Tool
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Support to Dynamic Business Process
Configuration
Tarcísio Pereira, Fernanda Alencar, Jaelson Castro,
Edson Alves e Paulo Lima
tcp@cin.ufpe.br
LER – Laboratório de Engenharia de Requisitos
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Motivation
• The processes are becoming increasingly complex and
heterogeneous;
• Dynamic Business Process;
• Focus on modeling of functional behavioral;
• Non-Functional Requirements (NFRs) need taken in account, as well
the context information;
• BVCCoN Approach – Santos (2013)
– Variability;
– NFR;
– Context Information
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Motivation
• Complex Approach;
– Business Process Models;
– NFRs model;
– Variability model;
– Context information model;
• Lack of tool makes de process slow, hard to understand and error
prone;
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Variability Elicitation [Airport Check-In]
• Responsible by identifying and discovering possible variations in a
business process model;
• Input: Initial business process model;
• Output: List of variations.
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Usability Evaluation
• Method proposed by McClelland;
– The method permits identifier the opinion of the participants and
classifies in "favorable", "unfavorable" and "no opinion”;
– It also allows separately classify items in questionnaires that
participants were "favorable," "unfavorable" and "no opinion".
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Usability Evaluation
• PSSUQ - The Post-Study System Usability Questionnaire – IBM;
– Overall satisfaction;
– System utility;
– Information Quality;
– Interface Quality.
• Widely used in academia;
• Cited by 933 works;
• Meets research objectives.
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Usability Evaluation – Overall Satisfaction
• Average “no opinion” = 57;
• According with the results, it wasn't possible to separate the participants in
"favorable" and "unfavorable";
• According to participants, the tool has a good usability;
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Usability Evaluation – Overall Satisfaction
• Items analysis;
• Average “no opinion” = 3 * 14 = 42;
Item 9: The system gave error
messages that clearly told me how to
fix problems...
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Conclusion
• Through BVCCoN-Tool, three views (non-functional requirements,
variability and contextual information) were modeled;
• According to the users, the usability evaluation had a good
acceptance, concluding that the tool use is viable and practical to be
used in real environments.
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Conclusion
• Future Works
– Perform other usability evaluation;
– Continuous improvement of bvccon-tool;
– Integration with graphical editor BPMN;
– BVCCoN-Tool extension;
– Compilation of models;
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Support to Dynamic Business Process
Configuration
Tarcísio Pereira, Fernanda Alencar, Jaelson Castro,
Edson Alves e Paulo Lima
tcp@cin.ufpe.br
LER – Laboratório de Engenharia de Requisitos