Friday, 21 September 2012 12:00

Keynote by Barbara Weber at BPM’12 Workshop in Estonia

Barbara Weberwas invited keynote speaker of the Int'l Workshop on Reuse in Business Process Management (rBPM'12), which took place in the context of the BPM'12 conference in Tallinn, Estonia. In her keynote, Barbara discussed challenges in the context of reuse and presented selected techniques for addressing those.

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Overcoming Challenges of Reuse in Large Collections of Process Models

The increasing adoption of Process-Aware Information Systems (PAIS), together with the reuse of process knowledge has resulted in process model repositories with large collections of process models. Understandability and maintainability of the process models in the repository are preconditions for their successful reuse. However, industrial process models display a wide range of quality problems impeding their comprehensibility and consequently hampering their maintainability and reuse. Literature reports, for example, error rates between 10% and 20% in industrial process model collections. Moreover, non-intention-revealing or inconsistent naming, redundant process fragments, and overly large and unnecessarily complex process models are typical quality problems which can be observed in existing process model collections. These problems have resulted in vivid research with the goal of obtaining a better understanding of factors influencing the quality of process models as well as techniques fostering their understandability and maintainability.

For obtaining high quality models it is essential to understand the factors which are influencing the quality of process models, but also the way how process models are created. This challenge can be approached by taking a cognitive perspective and by analyzing the process of creating and maintaining process models (in addition to the modeling artifacts created). In part I of the talk I will report on some of the findings obtained so far, discuss their implications for the reuse of process models, and outline future research directions.

Part II of this keynote covers different techniques for fostering understandability as well as maintainability of process models which were developed in our group like test driven modeling, literate process modeling, but also techniques for the refactoring of large collections of process models. Again implications for the reuse of process models will be discussed.


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