Modeling Uncertain and Imprecise Information in Process Modeling with uml



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tarix26.10.2017
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Modeling Uncertain and Imprecise Information in Process Modeling with UML

  • Jing XIAO

  • LATTIS, INSA-Toulouse, France

  • jxiao@etud.insa-toulouse.fr


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



1. Context and problem

  • 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.



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”.



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.



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.



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



4.2 The modeling workflow



4.3 Validation of the modeling workflow



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



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.



4.3.2 New UML profile and its application



4.3.2 New UML profile and its application

  • Application of this profile



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.



  • Thank You!



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