I. Jovanovikj, E. Yigitbas, S. Sauer, and G. Engels, “Challenges in Model-Driven Development of Multi-Platform Augmented Reality Applications ,” Softwaretechnik-Trends, Proceedings of the 22st Workshop Software-Reengineering &; Evolution (WSRE) &; 11h Workshop Design for Future (DFF), 2020.

S. Gottschalk, F. Rittmeier, and G. Engels, “Hypothesis-driven Adaptation of Business Models based on Product Line Engineering,” in Proceedings of the 22nd IEEE International Conference on Business Informatics, Antwerp, 2020.

S. Gottschalk, E. Yigitbas, and G. Engels, “Model-based Hypothesis Engineering for Supporting Adaptation to Uncertain Customer Needs,” in Business Modeling and Software Design, Potsdam, 2020, vol. 391, pp. 276–286.

N. Weidmann and A. Anjorin, “Schema Compliant Consistency Management via Triple Graph Grammars and Integer Linear Programming,” in Proceedings of the 23rd International Conference on Fundamental Approaches to Software Engineering, FASE 2020, Dublin, Ireland, 2020.

I. Jovanovikj, E. Yigitbas, S. Sauer, and G. Engels, “Concept-based Co-Migration of Test Cases,” in Proceedings of the 8th International Conference on Model-Driven Engineering and Software Development - Volume 1: MODELSWARD, Valletta, 2020.

I. Jovanovikj, E. Yigitbas, S. Sauer, and G. Engels, “Test Case Co-Migration Method Patterns,” Software Engineering 2020 Workshopband, 2020.

E. Yigitbas, I. Jovanovikj, K. Biermeier, S. Sauer, and G. Engels, “Integrated Model-driven Development of Self-adaptive User Interfaces ,” International Journal on Software and Systems Modeling (SoSyM), 2020.

E. Yigitbas, I. Jovanovikj, S. Sauer, and G. Engels, “On the Development of Context-aware Augmented Reality Applications ,” in Handling Security, Usability, User Experience and Reliability in User-Centered Development Processes - IFIP WG 13.2/13.5, Springer, LNCS, 2020.

I. Jovanovikj, A. Nagaraj, E. Yigitbas, A. Anjorin, S. Sauer, and G. Engels, “Validating Test Case Migration via Mutation Analysis ,” in Proceedings of the 1st IEEE/ACM International Conference on Automation of Software Test AST, Seoul, 2020, pp. 31–40.

E. Yigitbas, I. Jovanovikj, K. Biermeier, S. Sauer, and G. Engels, “Integrated model-driven development of self-adaptive user interfaces,”10.1007/s10270-020-00777-7__Software and Systems Modeling, vol. 19, no. 5, pp. 1057–1081, 2020, doi:10.1007/s10270-020-00777-7 .

N. N., A Framework for Measurable Value Propositions of Mobile Applications. 2020.

N. N., Model-Based Product Configuration in Augmented Reality Applications. 2020.

N. N., Design and Implementation of a Crowd-based Prototype Validation Platform. 2020.

S. C. Krings, E. Yigitbas, I. Jovanovikj, S. Sauer, and G. Engels, “Development Framework for Context-Aware Augmented Reality Applications,”10.1145/3393672.3398640__2020, doi:10.1145/3393672.3398640 .

J. Carmona, G. Engels, A. Kumar, and M. Reichert, “Special issue: Selected papers of BPM 2017,” Information Systems, pp. 238–239, 2019.

G. Engels et al., “ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems Companion (MODELS-C),” 2019.

G. Engels, C. Becker, A. Feenberg, M. A. Ferrario, and G. Fitzpatrick, “Values in Computing (Dagstuhl Seminar 19291),” Dagstuhl Reports 9(7), 2019.

S. Gottschalk, F. Rittmeier, and G. Engels, “Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach,” in Business Modeling and Software Design, Lisbon, 2019, pp. 153–169.

E. Yigitbas, K. Josifovska, I. Jovanovikj, F. Kalinci, A. Anjorin, and G. Engels, “Component-Based Development of Adaptive User Interfaces ,” in Proceedings of the 11th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2019), Valencia, 2019, pp. 13:1--13:7.

F. Rittmeier, G. Engels, and A. Teetz, “Process Weakness Patterns for the Identification of Digitalization Potentials in Business Processes,” in Business Process Management Workshops, vol. 342, F. Daniel,  Quan Z. Sheng, and H. Motahari, Eds. Cham: Springer International Publishing, 2019, pp. 531–542.