Rafael Vrecar
Projektass. Dipl.-Ing. / BSc
Research Areas
- Usability, Trust, IT-Security
About
Fields: Human-Computer Interaction (HCI), Usable Security
Details: ÖAW DOC Fellowship 2024: "Perception vs. Reality: The Illusion of Security – Why We (Erroneously) Trust Technologies in the Age of AI Revolution"
Role
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PreDoc Researcher
Human Computer Interaction, E193-05
Projects
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Perception vs. Reality: The Illusion of Security
2025 – 2026 / Austrian Academy of Sciences
Publications
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Why Do(n’t) You Trust Us? Highlighting the Importance of Trust and Transparency for Designing B2B Platforms in Electronics Manufacturing
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Vrecar, R., Weiss, A., Lepuschitz, W., Wedral, A., & Čolakovová, M. G. (2025). Why Do(n’t) You Trust Us? Highlighting the Importance of Trust and Transparency for Designing B2B Platforms in Electronics Manufacturing. In Computer-Human Interaction Research and Applications (pp. 177–192). Springer, Cham. https://doi.org/10.1007/978-3-031-82633-7_12
Project: Trend (2023) - Demo: Designing Diversity Computing Spaces: How to Foster Meaningful Interactions for Early Adolescents – Two Hands-on Examples / Vrecar, R., Blumenkranz, A., Kubesch, M., & Frauenberger, C. (2024, November 22). Demo: Designing Diversity Computing Spaces: How to Foster Meaningful Interactions for Early Adolescents – Two Hands-on Examples [Exhibition Contribution]. 8th International Conference on Computer-Human Interaction Research and Applications (CHIRA 2024), Porto, Portugal. http://hdl.handle.net/20.500.12708/204833
- Designing Diversity Computing Spaces: How to Foster Meaningful Interactions for Early Adolescents – Two Hands-on Examples / Vrecar, R., Blumenkranz, A., Kubesch, M., & Frauenberger, C. (2024, November 21). Designing Diversity Computing Spaces: How to Foster Meaningful Interactions for Early Adolescents – Two Hands-on Examples [Conference Presentation]. 8th International Conference on Computer-Human Interaction Research and Applications (CHIRA 2024), Porto, Portugal. http://hdl.handle.net/20.500.12708/204799
- Student Review: “Sustainability” – a Term with Various Meanings and Implications / Vrecar, R. (2023, October 3). Student Review: “Sustainability” – a Term with Various Meanings and Implications. CTS. http://hdl.handle.net/20.500.12708/192255
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How to Bring Diversity into Industry: Industrial Experiences in Public Transport Repair and Maintenance
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Vrecar, R., Steinlechner, M., Rupprecht, P., Wedral, A., Negele, M., Palucki, M., Ratzer, B., & Weiss, A. (2023). How to Bring Diversity into Industry: Industrial Experiences in Public Transport Repair and Maintenance. In Human-Computer Interaction – INTERACT 2023 : 19th IFIP TC13 International Conference, York, UK, August 28 – September 1, 2023, Proceedings, Part IV (pp. 267–272). Springer. https://doi.org/10.1007/978-3-031-42293-5_20
Project: MAXimizeMe (2021–2023) - Spatial Augmented Reality in the Factory: Can In-Situ Projections Be Used to Communicate Dangers and Health Risks? / Wedral, A., Vrecar, R., Ebenhofer, G., Pönitz, T., Wührer, P. H., Weiss, A., & Stübl, G. (2023). Spatial Augmented Reality in the Factory: Can In-Situ Projections Be Used to Communicate Dangers and Health Risks? In J. Abdelnour Nocera, H. Petrie, M. Winckler, M. Larusdottir, & A. Piccinno (Eds.), Human-Computer Interaction – INTERACT 2023 : 19th IFIP TC13 International Conference, York, UK, August 28 – September 1, 2023, Proceedings, Part II (pp. 574–594). Springer. https://doi.org/10.1007/978-3-031-42283-6_31
- Dare to Care – Designing Differently, Imagining Collaboratively / Vrecar, R., & Aichinger-Fankhauser, T. (2023, June 12). Dare to Care – Designing Differently, Imagining Collaboratively. TU Wien Informatics. http://hdl.handle.net/20.500.12708/192253
- It’s Only a Bot! How Adversarial Chatbots can be a Vehicle to Teach Responsible AI / Weiss, A., Vrecar, R., Zamiechowska, J., & Purgathofer, P. (2023). It’s Only a Bot! How Adversarial Chatbots can be a Vehicle to Teach Responsible AI. In R. Schmidpeter & R. Altenburger (Eds.), Responsible Artificial Intelligence – Challenges for Sustainable Management (pp. 235–250). Springer. https://doi.org/10.1007/978-3-031-09245-9_12
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Increasing user satisfaction by detecting emotions in German-language human-robot conversations with Q.bo One
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Vrecar, R. (2022). Increasing user satisfaction by detecting emotions in German-language human-robot conversations with Q.bo One [Diploma Thesis, Technische Universität Wien]. reposiTUm. https://doi.org/10.34726/hss.2022.89483
Download: PDF (2.43 MB) - Using the Design of Adversarial Chatbots as a Means to Expose Computer Science Students to the Importance of Ethics and Responsible Design of AI Technologies / Weiss, A., Vrecar, R., Zamiechowska, J., & Purgathofer, P. (2021). Using the Design of Adversarial Chatbots as a Means to Expose Computer Science Students to the Importance of Ethics and Responsible Design of AI Technologies. In Human-Computer Interaction – INTERACT 2021 (pp. 331–339). https://doi.org/10.1007/978-3-030-85613-7_24
- This is not the new normal / Sabie, A.-C., Brunnmayr, K., Weinberger, K., Singer, R. S., Vrecar, R., & Spiel, K. (2020, July). This is not the new normal. Interactions, 27(4), 12–15. https://doi.org/10.1145/3406111
Supervisions
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CommentSense – An On-Device AI Browser Extension for Real-Time YouTube Comment Understanding
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Kroll, M. (2025). CommentSense – An On-Device AI Browser Extension for Real-Time YouTube Comment Understanding [Diploma Thesis, Technische Universität Wien]. reposiTUm. https://doi.org/10.34726/hss.2025.126702
Download: PDF (4.76 MB)