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Josifovska K, Yigitbas E, Engels G. A Digital Twin-Based Multi-Modal UI Adaptation Framework for Assistance Systems in Industry 4.0 . In: Proceedings of the 21st International Conference on Human-Computer Interaction (HCII 2019). Vol 11568. Springer, LNCS; 2019:398-409.

Josifovska K, Yigitbas E, Engels G.  Reference Framework for Digital Twins within Cyber-Physical Systems . In: Proceedings of 5th International Workshop on Software Engineering for Smart Cyber-Physical Systems (SEsCPS’19). IEEE Press; 2019:25-31.

Yigitbas E, Jovanovikj I, Josifovska K, Sauer S, Engels G. On-the-fly Usability Evaluation of Mobile Adaptive UIs through Instant User Feedback . In: Proceedings of the 17th IFIP TC.13 International Conference on Human-Computer Interaction (INTERACT 2019). Springer, LNCS; 2019:563-567.