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Modeling Uncertain and Imprecise Information in Process Modeling with UML

14th International Conference on Management of Data COMAD 2008, December 17-19, 2008 Indian Institute of Technology, Bombay, India. Modeling Uncertain and Imprecise Information in Process Modeling with UML. Jing XIAO LATTIS, INSA-Toulouse, France jxiao@etud.insa-toulouse.fr.

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Modeling Uncertain and Imprecise Information in Process Modeling with UML

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  1. 14th International Conference on Management of Data COMAD 2008, December 17-19, 2008 Indian Institute of Technology, Bombay, India Modeling Uncertain and Imprecise Information in ProcessModeling with UML Jing XIAO LATTIS, INSA-Toulouse, France jxiao@etud.insa-toulouse.fr

  2. Table of contents 1. Context and problem 2. Objectives 3. What types of uncertainty and imprecision are in product development processes ? 4. How to use UML to model uncertainty and imprecision ? 5. Conclusions and Perspectives

  3. 1. Contextandproblem • Product Development (PD) processes • Processes modeling with Unified Modeling Language (UML) • Exchanged information is often incomplete, vague and not entirely determined at the beginning of the project and during its evolution.

  4. 2. Objectives • Identify uncertainty and imprecision related to product development (PD) process. • Meta-modeling of identified uncertainty and imprecision. • Integrate uncertainty and imprecision representation in UML-based project with a new UML profile “Uncertainty-of” and “Imprecision-of”.

  5. 3. What types of uncertainty and imprecision are in product development processes ? • Role uncertainty and imprecision. • Activity uncertainty and imprecision. • Deliverable uncertainty and imprecision. • Iteration uncertainty and imprecision.

  6. 4. How to use UML to model uncertainty and imprecision ? 4.1 UML extension mechanisms. 4.2 The modeling workflow. 4.3 Validation of the modeling workflow.

  7. 4.1 UML extension mechanisms Extension mechanisms are the means for extending UML at the meta-model level to support a new technology. Three concepts are used : • Stereotypes • Tagged values • Constraints

  8. 4.2 The modeling workflow

  9. 4.3 Validation of the modeling workflow 4.3.1 Meta-model of “uncertainty-of” 4.3.2 New UML profile and its application

  10. 4.3.1 Meta-model of “uncertainty-of” (partial)

  11. 4.3.2 New UML profile and its application • We created the new profile - “uncertainty-of” profile - semi-automatically with a new prototype tool named Meta-Model To UML Profile (MM2UP) based on an Eclipse platform, proposed by one of the authors Vincent Aranega.

  12. 4.3.2 New UML profile and its application • Partial list of stereotypes of the new profile

  13. 4.3.2 New UML profile and its application • Application of this profile

  14. 5. Conclusions and Perspectives We have : • identified four types of uncertainty and imprecision related to PD processes; • proposed a new Unified Modeling Language (UML) profile to integrate description of imperfect information. We will : • refine our meta-models’ textual descriptions for the naming rules, legality rules and semantics; • propose a framework for uncertainty and imprecision management in product design process, planning and evolution.

  15. Thank You!

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