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Stefan Zugal

Contact

Research Interests

• Process Model Understandability
• Test Driven Modeling
• Process of Process Modeling

Projects

• Nautilus
• Cheetah Experimental Platform
• Empirical Evaluation of Test Driven Development

Public Talks/Presentations

• Applying Cognitive Psychology for Improving the Creation and Understanding of Business Process Models. Quality Engineering PhD Workshop, Obergurgl, Austria, November 2012. 
• Making the Case for Measuring Mental Effort. EESSMod ’12, Innsbruck, Austria. October 2012. 
• Expressiveness and Understandability Considerations of Hierarchy in Declarative Business Process Models. BPMDS ’12, Gdańsk, Poland, June 2012. 
• Assessing Process Models with Cognitive Psychology. EMISA ’11, Hamburg, Germany, September 2011. 
• Creating Declarative Process Models Using Test Driven Modeling Suite. CAiSE Forum ’11, London, UK, June 2011.
• The Impact of Testcases on the Maintainability of Declarative Process Models. BPMDS ’11, London, UK, June 2011. 
• Alaska Simulator–Supporting Empirical Evaluation of Process Flexibility. BPM ’09, Ulm, Germany, September 2009.  

Publications

2013

J. Pinggera, M. Furtner, M. Martini, P. Sachse, K. Reiter, S. Zugal and B. Weber: Investigating the Process of Process Modeling with Eye Movement Analysis. In: Proc. ER-BPM ’12, pp. 438–450, 2013.

C. Haisjackl, S. Zugal, P. Soffer, I. Hadar, M. Reichert, J. Pinggera and B. Weber: Making Sense of Declarative Process Models: Common Strategies and Typical Pitfalls. In: Proc. BPMDS ’13, pp. 2–17, 2013.

2012

T. Gschwind, J. Pinggera, S. Zugal, H. Reijers and B. Weber: A Linear Time Layout Algorithm for Business Process Models. Technical Report RZ3830. IBM Research

V. Torres, S. Zugal, B. Weber, M. Reichert, C. Ayora and V. Pelechano: A Qualitative Comparison of Approaches Supporting Business Process Variability. In: Proc. rBPM ’12, pp. 560–572, 2012.

S. Zugal, C. Haisjackl, J. Pinggera and B. Weber: Empirical Evaluation of Test Driven Modeling. International Journal of Information System Modeling and Design (accepted), 2012

S. Zugal, P. Soffer, J. Pinggera and B. Weber: Expressiveness and Understandability Considerations of Hierarchy in Declarative Business Process Models. In: Proc. BPMDS ’12, pp. 167–181, 2012.

P. Pichler, B. Weber, S. Zugal, J. Pinggera, J. Mendling and H. Reijers: Imperative versus Declarative Process Modeling Languages: An Empirical Investigation. In: Proc. ER-BPM’11, pp. 383–394, 2012.

J. Pinggera, T. Porcham, S. Zugal and B. Weber: LiProMo-Literate Process Modeling. In: Proc. CAiSE Forum ’12, pp. 163–170, 2012.

S. Zugal, J. Pinggera, H. Reijers, M. Reichert and B. Weber: Making the Case for Measuring Mental Effort. In: Proc. EESSMod ’12, pp. 37–42, 2012.

J. Pinggera, P. Soffer, S. Zugal, B. Weber, M. Weidlich, D. Fahland, H. Reijers and J. Mendling: Modeling Styles in Business Process Modeling. In: Proc. BPMDS ’12, pp. 151–166, 2012.

B. Holzner, J. Giesinger, J. Pinggera, S. Zugal, F. Schöpf, A. Oberguggenberger, E. Gamper, A. Zabernigg, B. Weber and G. Rumpold: The computer-based health evaluation system (CHES): a software for electronic patient-reported outcome monitoring. BMC Medical Informatics and Decision Making 12(126), 2012

S. Zugal, J. Pinggera and B. Weber: Toward Enhanced Life-Cycle Support for Declarative Processes. Journal of Software: Evolution and Process 24(3):285–302, 2012

J. Pinggera, S. Zugal, M. Weidlich, D. Fahland, B. Weber, J. Mendling and H. Reijers: Tracing the Process of Process Modeling with Modeling Phase Diagrams. In: Proc. ER-BPM ’11, pp. 370–382, 2012.

J. Claes, I. Vanderfeesten, H. Reijers, J. Pinggera, M. Weidlich, S. Zugal, D. Fahland, B. Weber, J. Mendling and G. Poels: Tying Process Model Quality to the Modeling Process: The Impact of Structuring, Movement, and Speed. In: Proc. BPM ’12, pp. 33–48, 2012.

V. Torres, S. Zugal, B. Weber, M. Reichert and C. Ayora: Understandability issues of approaches supporting business process variability. Technical Report ProS-TR-2012-03. Universidad Politecnica de Valencia

2011

S. Zugal, J. Pinggera and B. Weber: Assessing Process Models with Cognitive Psychology. In: Proc. EMISA ’11, pp. 177–182, 2011.

S. Zugal, J. Pinggera, J. Mendling, H. Reijers and B. Weber: Assessing the Impact of Hierarchy on Model Understandability-A Cognitive Perspective. In: Proc. EESSMod ’11, pp. 123–133, 2011.

S. Zugal, J. Pinggera and B. Weber: Creating Declarative Process Models Using Test Driven Modeling Suite. In: Proc. CAiSE Forum ’11, pp. 16–32, 2011.

R. Pérez-Castillo, B. Weber, J. Pinggera, S. Zugal, I. García-Rodríguez de Guzmán and M. Piattini: Generating event logs from nonprocess-aware systems enabling business process mining. Enterprise Information Systems 5(3):301–335, 2011

S. Zugal, J. Pinggera and B. Weber: The Impact of Testcases on the Maintainability of Declarative Process Models. In: Proc. BPMDS ’11, pp. 163–177, 2011.

2010

B. Weber, J. Pinggera, S. Zugal and W. Wild: Alaska Simulator Toolset for Conducting Controlled Experiments. In: Proc. CAiSE Forum ’10, pp. 205–221, 2010.

B. Weber, J. Pinggera, S. Zugal and W. Wild: Handling Events During Business Process Execution: An Empirical Test. In: Proc. ER-POIS ’10, pp. 19–30, 2010.

A. Kaser, B. Weber, J. Pinggera and S. Zugal: Handlungsorientierung bei der Planung von Softwareprojekten. Poster session presented at: TEAP ’10, 2010.

J. Pinggera, S. Zugal, B. Weber, D. Fahland, M. Weidlich, J. Mendling and H. Reijers: How the Structuring of Domain Knowledge Can Help Casual Process Modelers. In: Proc. ER’10, pp. 445–451, 2010.

J. Pinggera, S. Zugal and B. Weber: Investigating the Process of Process Modeling with Cheetah Experimental Platform. In: Proc. ER-POIS ’10, pp. 13–18, 2010.

J. Pinggera, S. Zugal and B. Weber: Investigating the Process of Process Modeling with Cheetah Experimental Platform. EMISA Forum 30(2):25–31, 2010

M. Weidlich, S. Zugal, J. Pinggera, B. Weber, H. Reijers and J. Mendling: The Impact of Sequential and Circumstantial Changes on Process Models. In: Proc. ER-POIS ’10, pp. 43–54, 2010.

2009

B. Weber, J. Pinggera, S. Zugal and W. Wild: Alaska Simulator – A Journey to Planning. In: Proc. XP ’09, pp. 253–254, 2009.

J. Pinggera, S. Zugal and B. Weber: Alaska Simulator – Supporting Empirical Evaluation of Process Flexibility. In: Proc. WETICE ’09, pp. 231–233, 2009.

M. Droop, M. Flarer, J. Groppe, S. Groppe, V. Linnemann, J. Pinggera, F. Santner, M. Schier, F. Schöpf, H. Staffler and S. Zugal: Bringing the XML and Semantic Web Worlds Closer: Transforming XML into RDF and Embedding XPath into SPARQL. In: ICEIS ’08, Revised Selected Papers, pp. 31–45, 2009.

D. Fahland, J. Mendling, H. Reijers, B. Weber, M. Weidlich and S. Zugal: Declarative versus Imperative Process Modeling: The Issue of Maintainability. In: Proc. ER-BPM’09, pp. 65–76, 2009.

D. Fahland, D. Lübke, J. Mendling, H. Reijers, B. Weber, M. Weidlich and S. Zugal: Declarative versus Imperative Process Modeling: The Issue of Understandability. In: Proc. EMMSAD ’09, pp. 353–366, 2009.

B. Weber, S. Zugal, J. Pinggera and W. Wild: Experiencing Process Flexibility Patterns with Alaska Simulator. In: Proc. BPMDemos ’09, pp. 13–16, 2009.

B. Weber, H. Reijers, S. Zugal and W. Wild: The Declarative Approach to Business Process Execution: An Empirical Test. In: Proc. CAiSE ’09, pp. 470–485, 2009.

2008

S. Zugal: Agile versus Plan-Driven Approaches to Planning – A Controlled Experiment. Master’s thesis, University of Innsbruck, Institute of Computer Science, 2008.

M. Droop, M. Flarer, J. Groppe, S. Groppe, V. Linnemann, J. Pinggera, F. Santner, M. Schier, F. Schöpf, H. Staffler and S. Zugal: Embedding Xpath Queries into SPARQL Queries. In: ICEIS (1), pp. 5–14, 2008.

J. Pinggera, S. Zugal, B. Weber, W. Wild and M. Reichert: Integrating Case-Based Reasoning with Adaptive Process Management. Technical Report TR-CTIT-08-11. Centre for Telematics and Information Technology, University of Twente

2007

M. Droop, M. Flarer, J. Groppe, S. Groppe, V. Linnemann, J. Pinggera, F. Santner, M. Schier, F. Schöpf, H. Staffler and S. Zugal: Translating XPath Queries into SPARQL Queries. In: OTM Workshops (1), pp. 9–10, 2007.