TARPS: A Toolbox for Enhancing Privacy and Security for Collaborative AR
S.C. Krings, E. Yigitbas, Proceedings of the ACM on Human-Computer Interaction, EICS 8 (2024) 22.

Augmented and Virtual Reality for Diet and Nutritional Education: A Systematic Literature Review
E. Yigitbas, J. Mazur, in: Proceedings of the 17th International Conference on PErvasive Technologies Related to Assistive Environments (PETRA 2024), 2024.

Development and Usability Evaluation of Transitional Cross-Reality Interfaces
L. Schmidt, E. Yigitbas, Proceedings of the ACM on Human-Computer Interaction, EICS 8 (2024) 31.

Gamification- and Virtual Reality-Based Learning Environment for UML Class Diagram Modeling
E. Yigitbas, M. Schmidt, A. Bucchiarone, S. Bassanelli, G. Engels, in: IEEE Global Engineering Education Conference 2024, 2024.

Effects of Human Avatar Representation in Virtual Reality on Inter-Brain Connections
E. Yigitbas, C. Kaltschmidt, in: Proceedings of the 8th International Conference on Artificial Intelligence and Virtual Reality (AIVR’24), Springer, 2024.

Interaction Techniques for Remote Maintenance in an AR Shared Environment
S.C. Krings, K. Biermeier, E. Yigitbas, in: Proceedings of the 10th International Working Conference on Human-Centered Software Engineering (HCSE’24), 2024.

An Exploratory Study of Fear-Inducing Factors in Virtual Reality Experiences
J. Leichtweiß, E. Yigitbas, in: Proceedings of the 12th International Conference on Serious Games and Applications for Health (SeGAH’24), 2024.

Prototyping Cross-Reality Escape Rooms
S. Krois, E. Yigitbas, in: Proceedings of the 10th International Working Conference on Human-Centered Software Engineering (HCSE’24), 2024.

Developing a VR Factory Walkthrough for Use in Schools
S.C. Krings, E. Yigitbas, S. Sauer, in: Proceedings of the 10th International Working Conference on Human-Centered Software Engineering (HCSE’24), 2024.

Measuring Visual Attention Capacity Across xReality
K. Biermeier, I. Scharlau, E. Yigitbas, in: Proceedings of the 17th International Conference on PErvasive Technologies Related to Assistive Environments (PETRA 2024), 2024.

Towards New Realities: Implications of Personalized Online Layers in Our Daily Lives
E. Herder, L. Stojko, J. Strecker, T. Neumayr, E. Yigitbas, M. Augstein, I-Com - Journal of Interactive Media, Special Issue on “The Future of Human-Computer Interaction” (to Appear) (2024).

End-User Development of Interactive Web-Based Virtual Reality Scenes
E. Yigitbas, J. Klauke, S. Gottschalk, G. Engels, Journal on Computer Languages (COLA)  (2023).

Enhancing Robot Programming through Digital Twin and Augmented Reality 
E. Yigitbas, G. Engels, in: 56th Hawaii International Conference on System Science (HICSS 2023) , ScholarSpace, 2023.

Towards Enhanced Guiding Mechanisms in VR Training through Process Mining
E. Yigitbas, S. Krois, S. Gottschalk, G. Engels, in: Proceedings of the 7th International Conference on Human Computer Interaction Theory and Applications (HUCAPP’23) , 2023.

Supporting Construction and Architectural Visualization through BIM and AR/VR: A Systematic Literature Review
E. Yigitbas, A. Nowosad, G. Engels, in: Proceedings of the 19th IFIP T International Conference on Human-Computer Interaction (INTERACT 2023), Springer, 2023.

Model-driven Collaborative Design of Professional Education Programmes With Extended Online Whiteboards
D. Wolters, G. Engels, in: MODELSWARD’23, SCITEPRESS, n.d., pp. 133–142.

Development and Evaluation of a Model-Based UI Prototyping Experimentation Approach
N. N., Development and Evaluation of a Model-Based UI Prototyping Experimentation Approach, 2023.

Minimizing Eye Movements and Distractions in Head-Mounted Augmented Reality through Eye-Gaze Adaptiveness
D. Wecker, E. Yigitbas, in: Proceedings of the ACM Symposium on Spatial User Interaction (SUI 2023), ACM, 2023.

GaMoVR: Gamification-Based UML Learning Environment in Virtual Reality
E. Yigitbas, M. Schmidt, A. Bucchiarone, S. Gottschalk, G. Engels, Science of Computer Programming (2023).

Transitional Cross Reality Interfaces for Spatially Demanding Search and Collect Tasks 
L. Schmidt, E. Yigitbas, in: Proceedings of the 27th International Workshop on Personalization and Recommendation, GI DL, 2023.

ABIS 2023 – 27th International Workshop on Personalization and Recommendation
T. Neumayr, E. Yigitbas, M. Augstein, E. Herder, in: Proceedings of the Mensch &; Computer (2023), 2023.

Virtual Reality Collaboration Platform for Agile Software Development
E. Yigitbas, I. Witalinski, S. Gottschalk, G. Engels, in: Proceedings of the 24th International Conference on Product-Focused Software Process Improvement (PROFES 2023), Springer, 2023.

Projektmanagement Und Vorgehensmodelle 2023 - Nachhaltige IT-Projekte
A. Kalenborn, M. Fazal-Baqaie, O. Linssen, A. Volland, E. Yigitbas, M. Engstler, M. Bertram, eds., Projektmanagement Und Vorgehensmodelle 2023 - Nachhaltige IT-Projekte, Gesellschaft für Informatik e.V, 2023.

Digitizing Processes in Manufacturing Companies via Low-Code Software (to appear)
N. Weidmann, J. Kirchhoff, S. Sauer, in: Springer, 2023.

Design and Evaluation of an AR Voice-based Indoor UAV Assistant for Smart Home Scenarios
R. Helmert, T. Hardes, E. Yigitbas, in: Proceedings of the ACM Symposium on Spatial User Interaction (SUI 2023), ACM, 2023.

Decision Support Ecosystems: Assisted Low-Code Development of Tailored Decision Support Systems
J. Kirchhoff, Decision Support Ecosystems: Assisted Low-Code Development of Tailored Decision Support Systems, Universität Paderborn, 2023.

Digital Transformation - Towards flexible human-centric enterprises
B. Kehrbusch, G. Engels, in: B. Vogel-Heuser, M. Wimmer (Eds.), Digital Transformation: Core Technologies and Emerging Topics from a Computer Science Perspective, Springer-Vieweg, 2022.

Situational Business Model Developer: A Tool-support for Situation-speciû01c Business Model Development
S. Gottschalk, E. Yigitbas, A. Nowosad, G. Engels, in: Proceedings of the 17th International Conference on Wirtschaftsinformatik, AIS, 2022.

Development and Evaluation of a Collaborative Stock Trading Environment in Virtual Reality
E. Yigitbas, S. Gottschalk, A. Nowosad, G. Engels, in: Proceedings of the 17th International Conference on Wirtschaftsinformatik, AIS, 2022.

Enhancing Human-in-the-Loop Adaptive Systems through Digital Twins and VR Interfaces
E. Yigitbas, K. Karakaya, I. Jovanovikj, G. Engels, in: L. Grunske, J. Siegmund, A. Vogelsang (Eds.), Software Engineering 2022, Fachtagung Des GI-Fachbereichs Softwaretechnik, 21.-25. Februar 2022, Virtuell, Gesellschaft für Informatik e.V., 2022, pp. 95–96.

Collaborative Software Modeling in Virtual Reality
E. Yigitbas, S. Gorissen, N. Weidmann, G. Engels, in: L. Grunske, J. Siegmund, A. Vogelsang (Eds.), Software Engineering 2022, Fachtagung Des GI-Fachbereichs Softwaretechnik, 21.-25. Februar 2022, Virtuell, Gesellschaft für Informatik e.V., 2022, pp. 93–94.

Self-Adaptive Digital Assistance Systems for Work 4.0
E. Yigitbas, S. Sauer, G. Engels, in: B. Vogel-Heuser, M. Wimmer (Eds.), Digital Transformation: Core Technologies and Emerging Topics from a Computer Science Perspective, Springer-Vieweg, 2022.

Model-driven Continuous Experimentation on Component-based Software Architectures 
S. Gottschalk, E. Yigitbas, G. Engels, in: Proceedings of the 18th International Conference on Software Architecture Companion , IEEE, 2022.

Anti-pattern Detection in Process-Driven Decision Support Systems
J. Kirchhoff, G. Engels, in: Software Business, Springer International Publishing, Cham, 2022, pp. 227--243.

Towards Situational Process Management for Professional Education Programmes
D. Wolters, G. Engels, in: D. Taibi, M. Kuhrmann, T. Mikkonen, J. Klünder, P. Abrahamsson (Eds.), Product-Focused Software Process Improvement, Springer International Publishing, Cham, 2022, pp. 235–242.

Detecting Data Incompatibilities in Process-Driven Decision Support Systems
J. Kirchhoff, S. Gottschalk, G. Engels, in: Lecture Notes in Business Information Processing, Springer International Publishing, Cham, 2022.

Decision Support Ecosystems: Deû01nition and Platform Architecture
J. Kirchhoff, C. Weskamp, G. Engels, in: Decision Support Systems XII: Decision Support Addressing Modern Industry, Business, and Societal Needs, Springer, 2022.

Requirements-Based Composition of Tailored Decision Support Systems
J. Kirchhoff, C. Weskamp, G. Engels, in: R. Bernhaupt, C. Ardito, S. Sauer (Eds.), Human-Centered Software Engineering, Springer International Publishing, Cham, 2022, pp. 150–162.

Projektmanagement und Vorgehensmodelle 2022. Virtuelle Zusammenarbeit und verlorene Kulturen?
M. Fazal-Baqaie, O. Linssen, A. Volland, E. Yigitbas, M. Engstler, M. Bertram, A. Kalenborn, Projektmanagement Und Vorgehensmodelle 2022. Virtuelle Zusammenarbeit Und Verlorene Kulturen?, Gesellschaft für Informatik e.V., 2022.

Situation-specific Development of Business Models within Software Ecosystems
S. Gottschalk, Situation-Specific Development of Business Models within Software Ecosystems, Paderborn University, Paderborn, 2022.

Situational Development of Low-Code Applications in Manufacturing Companies
J. Kirchhoff, N. Weidmann, S. Sauer, G. Engels, in: Proceedings of the 25th International Conference on Model Driven Engineering Languages and Systems: Companion Proceedings, ACM, 2022.

Low-code experimentation on software products
S. Gottschalk, R. Bhat, N. Weidmann, J. Kirchhoff, G. Engels, in: Proceedings of the 25th International Conference on Model Driven Engineering Languages and Systems: Companion Proceedings, ACM, 2022.

Automated UX Evaluation for User-Centered Design of VR Interfaces
K. Karakaya, E. Yigitbas, G. Engels, in: Proceedings of the 9th International Working Conference on Human-Centered Software Engineering (HCSE’22), Springer, 2022.

Continuous Situation-specific Development of Business Models: Knowledge Provision, Method Composition, Method Enactment
S. Gottschalk, E. Yigitbas, A. Nowosad, G. Engels, International Journal on Software and Systems Modeling (SoSyM)  (2022).

Towards Situation-specific Software Support for Cross-organizational Design Thinking Processes
S. Gottschalk, E. Yigitbas, A. Nowosad, G. Engels, in: Proceedings of the 5th International Workshop on Software-Intensive Business (IWSiB’22) , ACM, 2022.

Gamification-based UML Learning Environment in Virtual Reality
E. Yigitbas, M. Schmidt, A. Bucchiarone, S. Gottschalk, G. Engels, in: Proceedings of the 25th International Conference on Model Driven Engineering Languages and Systems (MODELS 2022) , ACM / IEEE, 2022.

Comparative Evaluation of AR-based, VR-based, and Traditional Basic Life Support Training
E. Yigitbas, S. Krois, T. Renzelmann, G. Engels, in: Proceedings of the 10th International Conference on Serious Games and Applications for Health (SeGAH’22) , IEEE, 2022.

Human-in-the-Loop Large-Scale Model Transformations with the VICToRy Debugger 
N. Weidmann, E. Yigitbas, A. Anjorin, A. Srivastava, J. Jose, The Journal of Object Technology  (2022).

Don’t Start from Scratch: A Modularized Architecture for Business Model Development Tools
S. Gottschalk, E. Yigitbas, A. Nowosad, G. Engels, in: Software Business - 13th International Conference, ICSOB 2022, Bolzano, Italy, Proceedings , Springer, 2022.

Designing Platforms for Crowd-based Software Prototype Validation: A Design Science Study
S. Gottschalk, S. Parvez, E. Yigitbas, G. Engels, in: Product-Focused Software Process Improvement - 23rd International Conference, PROFES 2022, Jyväskylä, Finland, Proceedings , 2022.

UCAI 2022 - 3rd International Workshop on User-Centered Artificial Intelligence
D. Buschek, H. Hauptmann, H. Heuer, B. Loepp, A. Riener, E. Yigitbas, in: Proceedings of the Mensch Und Computer 2022 (MuC ’22) , 2022.

Design and Evaluation of a Collaborative UML Modeling Environment in Virtual Reality
E. Yigitbas, S. Gorissen, N. Weidmann, G. Engels, International Journal on Software and Systems Modeling (SoSyM)  (2022).

Einsatz und Evaluation von Virtual Reality-Technologie in einem Informatik-Seminar
E. Yigitbas, in: die hochschullehre Jahrgang 8/2022, 2022.

Model-driven Design and Management of Professional Education Programmes
D. Wolters, G. Engels, in: ICSOB’22 Companion Proceedings, CEUR, 2022.

A Scalable and Extensible Architecture for a Crowd-Based Prototype Validation Platform
N. N., A Scalable and Extensible Architecture for a Crowd-Based Prototype Validation Platform, 2022.

Conception and Implementation of a Situation-specific Design Thinking Tool
N. N., Conception and Implementation of a Situation-Specific Design Thinking Tool, 2022.

Design and Evaluation of AR-Assisted End-User Robot Path Planning Strategies
S.C. Krings, E. Yigitbas, K. Biermeier, G. Engels, in: Proceedings of the 14th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2022), 2022.

Extending Business Model Development Tools with Consolidated Expert Knowledge 
S. Gottschalk, J. Kirchhoff, G. Engels, in: B. Shishkov (Ed.), Business Modeling and Software Design, 2021.

eMoflon: : Neo - Consistency and Model Management with Graph Databases
N. Weidmann, A. Anjorin, in: L. Iovino, L. Michael Kristensen (Eds.), STAF 2021 Workshop Proceedings: 9th International Workshop on Bidirectional Transformations, Joint Workshop on Foundations and Practice of Visual Modeling and Data for Model-Driven Engineering, International Workshop on MDE for Smart IoT Systems, 4th International Workshop on (Meta)Modeling for Healthcare Systems, and 20th International Workshop on OCL and Textual Modeling Co-Located with Software Technologies: Applications and Foundations, Federation of Conferences (STAF 2021), Virtual Event / Bergen, Norway, June 21-25, 2021, CEUR-WS.org, 2021, pp. 54–64.

Von datenbasierter zu datengetriebener Geschäftsmodellentwicklung: Ein Überblick über Software-Tools  und deren Datennutzung
S. Gottschalk, E. Yigitbas, Von datenbasierter zu datengetriebener Geschäftsmodellentwicklung: Ein Überblick über Software-Tools  und deren Datennutzung, Gesellschaft für Informatik, 2021.

Distributed merchandise management system
T. Göllner, J.-H. Schwarz, S. Gottschalk, S. Sauer, (2021).

Situation-specific Business Model Development Methods for Mobile App Developers
S. Gottschalk, E. Yigitbas, A. Nowosad, G. Engels, in: Enterprise, Business-Process and Information Systems Modeling, Springer, 2021.

Schema Compliant Consistency Management via Triple Graph Grammars and Integer Linear Programming
N. Weidmann, A. Anjorin, Formal Aspects of Computing (2021).

A Modeling Workbench for the Development of Situation-specific Test Co-Migration Methods 
I. Jovanovikj, A.T. Thottam, V. Joseph Vincent, E. Yigitbas, S. Sauer, G. Engels, in: Proceedings of the 9th International Conference on Model-Driven Engineering and Software Development , SCITEPRESS, 2021, pp. 232–239.

Generating Physically Sound Training Data for Image Recognition of Additively Manufactured Parts
T. Nickchen, S. Heindorf, G. Engels, in: Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision, 2021, pp. 1994–2002.

Situation-specific Development of Business Models for Services in Software Ecosystems
S. Gottschalk, in: Advanced Software Engineering. Doctorial Consortium, CEUR, 2021.

Automating Model Transformations for Railway Systems Engineering.
N. Weidmann, S. Salunkhe, A. Anjorin, E. Yigitbas, G. Engels, The Journal of Object Technology (2021).

Enhancing Human-in-the-Loop Adaptive Systems through Digital Twins and VR Interfaces
E. Yigitbas, K. Karakaya, I. Jovanovikj, G. Engels, in: 2021 International Symposium on Software Engineering for Adaptive and Self-Managing Systems (SEAMS), 2021.

Concurrent model synchronisation with multiple objectives
N. Weidmann, G. Engels, in: Proceedings of the Genetic and Evolutionary Computation Conference, 2021.

Towards Visualizing and Simulating Business Models in Dynamic Platform Ecosystems 
C. Vorbohle, S. Gottschalk, in: Proceedings of the 29th European Conference on Information Systems (ECIS), AIS, n.d.

Design Principles for a Crowd-Based Prototype Validation Platform
S. Gottschalk, M.S. Aziz, E. Yigitbas, G. Engels, in: X. Wang, A. Martini, A. Nguyen-Duc, V. Stray (Eds.), Software Business - 12th International Conference, ICSOB 2021, Drammen, Norway, December 2-3, 2021, Proceedings, Springer, 2021, pp. 205–220.

Situation- and  Domain-specific Composition and Enactment of Business Model Development Methods
S. Gottschalk, E. Yigitbas, A. Nowosad, G. Engels, in: Product-Focused Software Process Improvement, Springer, 2021.

Simplifying Robot Programming using Augmented Reality and End-User Development
E. Yigitbas, I. Jovanovikj, G. Engels, in: Proceedings of the 18th IFIP T International Conference on Human-Computer Interaction (INTERACT 2021) , Springer, 2021.

Using Augmented Reality for Enhancing Planning and Measurements in the Scaffolding Business
E. Yigitbas, S. Sauer, G. Engels, in: Proceedings of the 13th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2021), ACM, 2021.

Collaborative Software Modeling in Virtual Reality
E. Yigitbas, S. Gorissen, N. Weidmann, G. Engels, in: Proceedings of the 24th International Conference on Model Driven Engineering Languages and Systems (MODELS’21) , ACM/IEEE, 2021.

Towards a Decision Support System for Cross-Sectoral Energy Distribution Network Planning
J. Kirchhoff, S.C. Burmeister, C. Weskamp, G. Engels, in: M.H. Breitner, S. Lehnhoff, A. Nieße, P. Staudt, C. Weinhardt, O. Werth (Eds.), Energy Informatics and Electro Mobility ICT, 2021.

Modeling and Analyzing Software Ecosystems
B. Schwichtenberg, Modeling and Analyzing Software Ecosystems, 2021.

VREUD - An End-User Development Tool to Simplify the Creation of Interactive VR Scenes
E. Yigitbas, J. Klauke, S. Gottschalk, G. Engels, in: Proceedings of the 2021 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC) , IEEE, 2021.

Providing Decision Makers with Tailored Decision Support Systems
J. Kirchhoff, in: The 1st Early Career Researchers Workshop Co-Located with ECSS 2021, 2021.

Generating Physically Sound Training Data for Image Recognition of Additively Manufactured Parts
T. Nickchen, S. Heindorf, G. Engels, in: 2021 IEEE Winter Conference on Applications of Computer Vision (WACV), IEEE, 2021.

Design and Implementation of a Crowd-based Prototype Validation Platform
N. N., Design and Implementation of a Crowd-Based Prototype Validation Platform, 2021.

Model-based Continuous Experimentation for Software Product Prototypes
N. N., Model-Based Continuous Experimentation for Software Product Prototypes, 2021.

Lightweight Process Engine for Situation-specific Development of Business Models for Digital Platforms
N. N., Lightweight Process Engine for Situation-Specific Development of Business Models for Digital Platforms, 2021.

Development and Evaluation of a Multi Platform Approach for Augmented Reality Product Configuration
N. N., Development and Evaluation of a Multi Platform Approach for Augmented Reality Product Configuration, 2021.

Model-based Feature Backlog Synchronization for Dual-Track Development Methods
N. N., Model-Based Feature Backlog Synchronization for Dual-Track Development Methods, 2021.

Ensuring User Interface Adaptation Consistency through Triple Graph Grammers
K. Biermeier, E. Yigitbas, N. Weidmann, G. Engels, in: Proceedings of the International Workshop on Human-Centered Software Engineering for Changing Contexts of Use , 2021.

ProConAR: A Tool Support for Model-based AR Product Configuration
S. Gottschalk, E. Yigitbas, E. Schmidt, G. Engels, in: R. Bernhaupt, C. Ardito, S. Sauer (Eds.), Human-Centered Software Engineering. HCSE 2020, Springer, Cham, 2020.

Augmented and Virtual Reality Object Repository for Rapid Prototyping 
I. Jovanovikj, E. Yigitbas, S. Sauer, G. Engels, in: Proceedings of the 8th International Working Conference on Human-Centered Software Engineering (HCSE’20), Springer, 2020, pp. 216–224.

Der digitale Fußabdruck, Schatten oder Zwilling von Maschinen und Menschen
G. Engels, Gruppe. Interaktion. Organisation. Zeitschrift für Angewandte Organisationspsychologie (GIO) (2020) 363–370.

Automating test schedule generation with domain-specific languages
A. Anjorin, N. Weidmann, R. Oppermann, L. Fritsche, A. Schürr, in: E. Syriani, H. Sahraoui, J. de Lara, S. Abrahao (Eds.), Proceedings of the 23rd ACM/IEEE International Conference on Model Driven Engineering Languages and Systems, MODELS 2020, ACM, 2020.

A search-based and fault-tolerant approach to concurrent model synchronisation
N. Weidmann, L. Fritsche, A. Anjorin, in: R. Lämmel, L. Tratt, J. de Lara (Eds.), Proceedings of the 13th ACM SIGPLAN International Conference on Software Language Engineering, SLE 2020, ACM, 2020.

VICToRy: Visual Interactive Consistency Management in Tolerant Rule-based Systems
N. Weidmann, A. Anjorin, J. Cheney, in: B. Hoffmann, M. Minas (Eds.), Proceedings of the Eleventh International Workshop on Graph Computation Models, GCM@STAF 2020, EPTCS, 2020, pp. 1–12.

A Model-Driven Mutation Framework for Validation of Test Case Migration
I. Jovanovikj, N. Weidmann, E. Yigitbas, A. Anjorin, S. Sauer, G. Engels, in: Ö. Babur, J. Denil, B. Vogel-Heuser (Eds.), Proceedings of the First International Conference on Systems Modelling and Management, ICSMM 2020 , Springer, Cham, 2020.

Modeling and Analyzing Architectural Diversity of Open Platforms
B. Jazayeri, S. Schwichtenberg, J. Küster, O. Zimmermann, G. Engels, in: Advanced Information Systems Engineering, Cham, 2020.

Opportunities of 3D Machine Learning for Manufacturability Analysis and Component Recognition in the Additive Manufacturing Process Chain
T. Nickchen, G. Engels, J. Lohn, in: Industrializing Additive Manufacturing, Cham, 2020.

Model-driven engineering and usability evaluation of self-adaptive user interfaces
E. Yigitbas, in: ACM SIGWEB Newsletter, ACM, 2020.

Experiencing and Programming the ENIAC in VR
E. Yigitbas, C.B. Tejedor, G. Engels, in: Proceedings of the Mensch Und Computer 2020 (MuC ’20), 2020.

UCAI 2020 - 1st International Workshop on User-Centered Artificial Intelligence
M. Augstein, D. Buschek, E. Herder, B. Loepp, E. Yigitbas, J. Ziegler, in: Proceedings of the Mensch Und Computer 2020 (MuC ’20), ACM, 2020.

VR Training for Warehouse Management 
E. Yigitbas, I. Jovanovikj, J. Scholand, G. Engels, in: Proceedings of the 26th ACM Symposium on Virtual Reality Software and Technology (VRST), ACM, 2020.

Model-based Product Configuration in Augmented Reality Applications
S. Gottschalk, E. Yigitbas, E. Schmidt, G. Engels, in: R. Bernhaupt, C. Ardito, S. Sauer (Eds.), Human-Centered Software Engineering. HCSE 2020, Springer, Cham, 2020.