While process modeling has gained increasing importance for documenting business operations and automating workflow execution, process models display a wide range of quality problems impeding their comprehensibility and consequently hampering their maintainability. 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 on the quality of process models with the goal of obtaining a better understanding of factors influencing the quality of process models. While existing research mostly focuses on the product or outcome of process modeling, the Nautilus project aims at taking a closer look on how process models are created (i.e., the process of process modeling). Obviously, factors influencing this modeling process eventually have an impact on the quality of its outcome (i.e., the resulting process model) and the incurred cost of its creation.

The major goal of the Nautilus project is to systematically investigate the process of process modeling with the ultimate goal of improving the product of process modeling. To achieve our research objectives we will rely on a novel method for capturing and analyzing the process of process modeling. In particular, the Nautilus project will systematically investigate which modeling strategies are applied by both novices and experienced process modelers, trace these strategies back to process model quality, and analyze how novices and experienced process modelers differ in this respect. Moreover, Nautilus will investigate the impact of tool support (i.e., provision of high-level change patterns, refactoring support and automatic layout support) on the process of process modeling. The results of this investigation will then be used to develop novel methods and tools to support process modelers in creating process models through recommendations and consequently improving the product of process modeling. Moreover, the insights into the process of process modeling we will obtain from Nautilus are expected to provide important benefits for teaching.

Funding. FWF

Field of Research. Process of Process ModelingCheetah Experimental Platform

Contact. Barbara Weber

Links. Nautilus Press Release

Press. Fehler in Prozessen, in: zukunft forschung: Magazin für Wissenschaft und Forschung der Universität Innsbruck, page 16, 2013.


Completed PhD Theses

Completed Master Theses