| 2025 | VR | PolyVRGeo: Immersive Engineering Toolkit for Deep Geothermal Energy. | Victor Hfner, Polina Hfner, Felix Longge Michels, Florian Bauer, Michael Grethler |
| 2024 | CSEDU | An Adaptive Learning Environment for Industry 4.0 Competencies Based on a Learning Factory and Its Immersive Digital Twin. | Polina Hfner, Viktoria Bergmann, Victor Hfner, Felix Longge Michels, Michael Grethler, Abhijit Karande |
| 2024 | CSEDU | A Framework for Intelligent Virtual Reality Tutoring System Using Semantic Web Technology. | Victor Hfner, Tengyu Li, Felix Longge Michels, Polina Hfner, Haoran Yu, Jivka Ovtcharova |
| 2024 | VR | Semantic Web-Enabled Intelligent VR Tutoring System for Engineering Education: A Theoretical Framework. | Victor Hfner, Tengyu Li, Felix Longge Michels, Polina Hfner, Haoran Yu, Jivka Ovtcharova |
| 2014 | HCI | Experiencing Physical and Technical Phenomena in Schools Using Virtual Reality Driving Simulator. | Polina Hfner, Victor Hfner, Jivka Ovtcharova |
| 2013 | IC3K | Semi-automated Ontology Population from Building Construction Drawings. | Polina Hfner, Victor Hfner, Hendro Wicaksono, Jivka Ovtcharova |