Kattenbeck, M., Giannopoulos, I., Alinaghi, N., Golab, A., & Montello, D. R. (2025). Predicting spatial familiarity by exploiting head and eye movements during pedestrian navigation in the real world. Scientific Reports, 15(1), Article 7970. https://doi.org/10.1038/s41598-025-92274-4 ( reposiTUm)

Alinaghi, N., Giannopoulos, I., Kattenbeck, M., & Raubal, M. (2025). Decoding wayfinding: analyzing wayfinding processes in the outdoor environment. International Journal of Geographical Information Science. https://doi.org/10.1080/13658816.2025.2473599 ( reposiTUm)

Galvão, M. L., Fogliaroni, P., Giannopoulos, I., Navratil, G., Kattenbeck, M., & Alinaghi, N. (2024). GeoAR: a calibration method for geographic-aware augmented reality. International Journal of Geographical Information Science. https://doi.org/10.1080/13658816.2024.2355326 ( reposiTUm)

Navratil, G., & Giannopoulos, I. (2024). Classifying motorcyclist behaviour with XGBoost based on IMU data. Sensors, 24(3), Article 1042. https://doi.org/10.3390/s24031042 ( reposiTUm)

Kmen, C., Navratil, G., & Giannopoulos, I. (2024). Location, Location, Location: The Power of Neighborhoods for Apartment Price Predictions Based on Transaction Data. ISPRS International Journal of Geo-Information, 13(12), Article 425. https://doi.org/10.3390/ijgi13120425 ( reposiTUm)

Alinaghi, N., Hollendonner, S., & Giannopoulos, I. (2024). MYFix: automated fixation annotation of eye-tracking videos. Sensors, 24(9), Article 2666. https://doi.org/10.3390/s24092666 ( reposiTUm)

Mazurkiewicz, B., Kattenbeck, M., & Giannopoulos, I. (2023). Free Choice Navigation in the Real World: Giving Back Freedom to Wayfinders. ISPRS International Journal of Geo-Information, 12(2), Article 27. https://doi.org/10.3390/ijgi12020027 ( reposiTUm)

Mazurkiewicz, B., Galvão, M. de L., & Giannopoulos, I. (2023). BeeAR: Augmented Reality Beeline Navigation for Spatial Knowledge Acquisition. Proceedings of the ACM on Human-Computer Interaction, 7(MHCI), 1–17. https://doi.org/10.1145/3604246 ( reposiTUm)

Šašinková, A., Čeněk, J., Ugwitz, P., Tsai, J.-L., Giannopoulos, I., Lacko, D., Stachoň, Z., Fitz, J., & Šašinka, Č. (2023). Exploring cross-cultural variations in visual attention patterns inside and outside national borders using immersive virtual reality. Scientific Reports, 13(1), Article 18852. https://doi.org/10.1038/s41598-023-46103-1 ( reposiTUm)

Golab, A., Kattenbeck, M., Sarlas, G., & Giannopoulos, I. (2022). It’s also about timing! When do pedestrians want to receive navigation instructions. Spatial Cognition & Computation, 22(1–2), 74–106. https://doi.org/10.1080/13875868.2021.1942474 ( reposiTUm)

Stähli, L., Giannopoulos, I., & Raubal, M. (2021). Evaluation of pedestrian navigation in Smart Cities. Environment and Planning B: Urban Analytics and City Science, 48(6), 1728–1745. https://doi.org/10.1177/2399808320949538 ( reposiTUm)

McCutchan, M., Comber, A., Giannopoulos, I., & Canestrini, M. (2021). Semantic Boosting: Enhancing Deep Learning Based LULC Classification. Remote Sensing, 13(16), 3197. https://doi.org/10.3390/rs13163197 ( reposiTUm)

Mc Cutchan, M., Özdal-Oktay, S., & Giannopoulos, I. (2020). Semantic-based urban growth prediction. Transactions in GIS, 24(6), 1482–1503. https://doi.org/10.1111/tgis.12655 ( reposiTUm)

Rudi, D., Kiefer, P., Giannopoulos, I., & Raubal, M. (2020). Gaze-based Interactions in the Cockpit of the Future: A Survey. Journal on Multimodal User Interfaces, 14(1), 25–48. https://doi.org/10.1007/s12193-019-00309-8 ( reposiTUm)

Navratil, G., Konturek, P., & Giannopoulos, I. (2020). Interacting with 3D Models - 3D-CAD vs. Holographic Models. ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, VI-4/W1-2020, 129–134. https://doi.org/10.5194/isprs-annals-vi-4-w1-2020-129-2020 ( reposiTUm)

Giannopoulos, I., Navratil, G., Fogliaroni, P., Özdal-Oktay, S., McCutchan, M., & Mazurkiewicz, B. (2019). Geoinformation Research Directions. Österreichische Zeitschrift Für Vermessung Und Geoinformation (VGI), 107. JAHRGANG(2), 147–155. http://hdl.handle.net/20.500.12708/143976 ( reposiTUm)

Giannopoulos, I. (2019). Geheimnisse, die von Wänden undErdoberflächen versteckt werden, einfach ansehen? Bulletin TU Wien Alumni Club, 47(Juni), 1. http://hdl.handle.net/20.500.12708/143960 ( reposiTUm)

Giannopoulos, I. (2018). Pedestrian Navigation: What Can We Learn From Eye Tracking, Mixed Reality and Machine Learning. Österreichische Zeitschrift Für Vermessung Und Geoinformation (VGI), 106(3), 220–225. http://hdl.handle.net/20.500.12708/144554 ( reposiTUm)

Gogousou, I., Canestrini, M., Alinaghi, N., Michail, D., & Giannopoulos, I. (2024). The Impact of Traffic Lights on Modal Split and Route Choice: A use-case in Vienna. In A. Heppenstall, M. Wang, U. Demsar, R. Lemmens, & J. Yao (Eds.), 27th AGILE Conference on Geographic Information Science “Geographic Information Science for a Sustainable Future” (pp. 1–12). Copernicus Publications. https://doi.org/10.5194/agile-giss-5-4-2024 ( reposiTUm)

Hollendonner, S., Alinaghi, N., & Giannopoulos, I. (2024). Road Network Mapping from Multispectral Satellite Imagery: Leveraging Deep Learning and Spectral Bands. In A. Heppenstall, M. Wang, U. Demsar, R. Lemmens, & J. Yao (Eds.), Proceedings of the 27th AGILE Conference on Geographic Information Science (pp. 1–11). Copernicus Publications. https://doi.org/10.5194/agile-giss-5-6-2024 ( reposiTUm)

Alinaghi, N., & Giannopoulos, I. (2024). Wayfinding Stages: The Role of Familiarity, Gaze Events, and Visual Attention. In B. Adams, A. L. Griffin, S. Scheider, & G. McKenzie (Eds.), 16th International Conference on Spatial Information Theory (COSIT 2024). Schloss Dagstuhl -- Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.COSIT.2024.1 ( reposiTUm)

Kattenbeck, M., Montello, D. R., Raubal, M., & Giannopoulos, I. (2024). Is Familiarity Reflected in the Spatial Knowledge Revealed by Sketch Maps? In B. Adams, A. L. Griffin, S. Scheider, & G. McKenzie (Eds.), 16th International Conference on Spatial Information Theory. Schloss Dagstuhl -- Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.COSIT.2024.6 ( reposiTUm)

Canestrini, M., Gogousou, I., Michail, D., & Giannopoulos, I. (2024). Revealing Differences in Public Transport Share Through District-Wise Comparison and Relating Them to Network Properties. In B. Adams, A. L. Griffin, S. Scheider, & G. D. McKenzie (Eds.), 16th International Conference on Spatial Information Theory (COSIT 2024). Schloss Dagstuhl -- Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.COSIT.2024.10 ( reposiTUm)

Alinaghi, N., Kwok, T. C. K., Kiefer, P., & Giannopoulos, I. (2023). Do You Need Instructions Again? Predicting Wayfinding Instruction Demand. In R. Beecham, J. A. Long, D. Smith, Z. Qunshan, & S. Wise (Eds.), 12th International Conference on Geographic Information Science (GIScience 2023) (pp. 1:1-1:16). Schloss-Dagstuhl - Leibniz Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.GIScience.2023.1 ( reposiTUm)

Mazurkiewicz, B., & Giannopoulos, I. (2022). Replication of Wayfinding Studies in Different Geographic Areas. A Simulation Study. In J. Krisp, L. Meng, Dr. H. Kumke, & H. Huang (Eds.), Proceedings of the 17th International Conference on Location-Based Services (pp. 68–77). University of Augsburg and Technical University of Munich. http://hdl.handle.net/20.500.12708/136042 ( reposiTUm)

Alinaghi, N., & Giannopoulos, I. (2022). Consider the Head Movements! Saccade Computation in Mobile Eye-Tracking. In Frederick Shic, E. Kasneci, Mohamed Khamis, Hans Werner Gellersen, K. Krejtz, D. Weiskopf, Tanja Blascheck, Jessica Bradshaw, Hana Vrzakova, Kamran Binaee, Michael Burch, P. Kiefer, Roman Bednarik, D. Mardanbegi, Christopher Clarke, Rakshit Sunil Kothari, Vijay Rajanna, S. Jayarathna, Arantxa Villanueva, … Shahram Eivazi (Eds.), Proceedings ETRA ’22. Association for Computing Machinery. https://doi.org/10.1145/3517031.3529624 ( reposiTUm)

Mazurkiewicz, B., Kattenbeck, M., & Giannopoulos, I. (2022). Rethinking Route Choices! On the Importance of Route Selection in Wayfinding Experiments. In T. Ishikawa, S. Fabrikant, & S. Winter (Eds.), 15th International Conference on Spatial Information Theory. COSIT 2022, September 5–9, 2022, Kobe, Japan. Schloss Dagstuhl -- Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.COSIT.2022.6 ( reposiTUm)

Alinaghi, N., Kattenbeck, M., & Giannopoulos, I. (2022). I Can Tell by Your Eyes! Continuous Gaze-Based Turn-Activity Prediction Reveals Spatial Familiarity. In T. Ishikawa, S. I. Fabrikant, & S. Winter (Eds.), 15th International Conference on Spatial Information Theory (COSIT 2022) (pp. 1–13). Schloss Dagstuhl - Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.COSIT.2022.2 ( reposiTUm)

Giannopoulos, I. (2021). Das Unsichtbare sehen! Die Bedeutung von AR im Bauwesen. In G. Goger & C. Schranz (Eds.), Kolloquium “Zukunftsfragen des Baubetriebs” (pp. 94–105). TU Verlag. http://hdl.handle.net/20.500.12708/44070 ( reposiTUm)

Alinaghi, N., Kattenbeck, M., Golab, A., & Giannopoulos, I. (2021). Will You Take This Turn? Gaze-Based Turning Activity Recognition During Navigation. In K. Janowicz & J. A. Verstegen (Eds.), 11th International Conference on Geographic Information Science (GIScience 2021) (p. 16). Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik. https://doi.org/10.4230/LIPIcs.GIScience.2021.II.5 ( reposiTUm)

Mazurkiewicz, B., Kattenbeck, M., & Giannopoulos, I. (2021). Navigating Your Way! Increasing the Freedom of Choice During Wayfinding. In K. Janowicz & J. A. Verstegen (Eds.), 11th International Conference on Geographic Information Science (GIScience 2021) (p. 16). Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik. https://doi.org/10.4230/LIPIcs.GIScience.2021.II.9 ( reposiTUm)

Schmidl, M., Navratil, G., & Giannopoulos, I. (2021). An Approach to Assess the Effect of Currentness of Spatial Data on Routing Quality. In P. Partsinevelos, P. Kyriakidis, & M. Kavouras (Eds.), AGILE: GIScience Series (pp. 1–12). Copernikus Publications. https://doi.org/10.5194/agile-giss-2-13-2021 ( reposiTUm)

Mazurkiewicz, B., Kattenbeck, M., Kiefer, P., & Giannopoulos, I. (2020). Not Arbitrary, Systematic! Average-Based Route Selection for Navigation Experiments. In K. Janowicz & J. A. Verstegen (Eds.), 11th International Conference on Geographic Information Science (GIScience 2021) - Part I. (pp. 8:1-8:16). Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik. https://doi.org/10.4230/LIPIcs.GIScience.2021.I.8 ( reposiTUm)

Krieger, P., Kattenbeck, M., Ludwig, B., Helmbrecht, J., & Giannopoulos, I. (2020). Hey You! Let’s Talk. Dialogue-Initiatives Revisited for Wayfinding Instructions. In AGILE: GIScience Series (pp. 1–19). Copernicus GmbH. https://doi.org/10.5194/agile-giss-1-11-2020 ( reposiTUm)

Navratil, G., Giannopoulos, I., & Kotzbek, G. (2019). Classification of Urban and Rural Routes based on Motorcycle Riding Behaviour. In P. Kyriakidis (Ed.), Geospatial Technologies for Local and Regional Development (pp. 95–108). Springer. http://hdl.handle.net/20.500.12708/43982 ( reposiTUm)

Giannopoulos, I. (2019). Gaze-Based Assistance for Collective Spatial Cognition. In K. M. Curtin & D. R. Montello (Eds.), Innovative Research about Spatial Thinking by Human Groups (p. 11). Laboratory for Location Science, University of Alabama. http://hdl.handle.net/20.500.12708/44023 ( reposiTUm)

McCutchan, M., Özdal-Oktay, S., & Giannopoulos, I. (2019). Urban Growth Predictions with Deep Learning and Geosemantics. In K. Ehrmann & H. R. Mansouri Khosravi (Eds.), VIENNA Young Scientists Symposium (VSS 2019) (pp. 30–31). Book-of-Abstracts.com. http://hdl.handle.net/20.500.12708/44024 ( reposiTUm)

Gokl, L., McCutchan, M., Mazurkiewicz, B., Fogliaroni, P., & Giannopoulos, I. (2019). Towards Urban Environment Familiarity Prediction. In G. Gartner & H. Huang (Eds.), Advances in Cartography and GIScience of the ICA (pp. 1–8). International Cartographic Association (ICA). https://doi.org/10.5194/ica-adv-2-5-2019 ( reposiTUm)

Fogliaroni, P., Mazurkiewicz, B., Kattenbeck, M., & Giannopoulos, I. (2019). Geographic-Aware Augmented Reality for VGI. In G. Gartner & H. Huang (Eds.), Advances in Cartography and GIScience of the ICA (pp. 1–9). International Cartographic Association (ICA). https://doi.org/10.5194/ica-adv-2-3-2019 ( reposiTUm)

Navratil, G., Schmitzer, M., & Giannopoulos, I. (2019). Location Based Services for Human Self-Localization. In G. Gartner & H. Huang (Eds.), Advances in Cartography and GIScience of the ICA (pp. 1–8). International Cartographic Association (ICA). https://doi.org/10.5194/ica-adv-2-11-2019 ( reposiTUm)

Göbel, F., Kiefer, P., Giannopoulos, I., & Raubal, M. (2018). Gaze Sequences and Map Task Complexity (Short Paper). In S. Winter, A. Griffin, & M. Sester (Eds.), 10th International Conference on Geographic Information Science (GIScience 2018) (pp. 30:1-30:6). LIPICS. https://doi.org/10.4230/LIPIcs.GISCIENCE.2018.30 ( reposiTUm)

Göbel, F., Kiefer, P., Giannopoulos, I., Duchowski, A. T., & Raubal, M. (2018). Improving map reading with gaze-adaptive legends. In Proceedings of the 2018 ACM Symposium on Eye Tracking Research & Applications. ACM, Austria. Association for Computing Machinery (ACM). https://doi.org/10.1145/3204493.3204544 ( reposiTUm)

Fogliaroni, P., Bucher, D., Jankovic, N., & Giannopoulos, I. (2018). Intersections of Our World. In S. Winter, A. Griffin, & M. Sester (Eds.), 10th International Conference on Geographic Information  Science (GIScience 2018) (pp. 3:1-3:15). LIPICS. https://doi.org/10.4230/LIPIcs.GISCIENCE.2018.3 ( reposiTUm)

Fogliaroni, P., McCutchan, M., Navratil, G., & Giannopoulos, I. (2018). Unfolding Urban Structures: Towards Route Prediction and Automated City Modeling. In S. Winter, A. Griffin, & M. Sester (Eds.), 10th International Conference on Geographic Information  Science (GIScience 2018) (pp. 26:1-26:6). LIPICS. https://doi.org/10.4230/LIPIcs.GIScience.2018.26 ( reposiTUm)

McCutchan, M., & Giannopoulos, I. (2018). Geospatial Semantics for Spatial Prediction (Short Paper). In S. Winter, A. Griffin, & M. Sester (Eds.), 10th International Conference on Geographic Information  Science (GIScience 2018) (pp. 45:1-45:6). LIPICS. https://doi.org/10.4230/LIPIcs.GIScience.2018.45 ( reposiTUm)

Navratil, G., Schwai, M., Vollnhofer, S., Konturek, P., & Giannopoulos, I. (2018). From Floor Plans to Condominium Rights Through an Augmented Reality Approach. In P. van Oosterom & D. Dubbeling (Eds.), Proceedings 6th International FIG Workshop on 3D Cadastres (pp. 515–528). FIG. http://hdl.handle.net/20.500.12708/43869 ( reposiTUm)

Giannopoulos, I. (2018). Spatial Big Data for Human-Computer Interaction. In M. Raubal, S. Wang, M. Guo, D. Jonietz, & P. Kiefer (Eds.), Spatial Big Data and Machine Learning in GIScience (pp. 22–24). http://hdl.handle.net/20.500.12708/43908 ( reposiTUm)

McCutchan, M., & Giannopoulos, I. (2018). Geospatial Semantics for Adaptive Interaction. In W. Kuhn & K. Kemp (Eds.), GIScience 2018 - Workshop on Core Computations on Spatial Information (pp. 1:1-1:4). http://hdl.handle.net/20.500.12708/43909 ( reposiTUm)

Duchowski, A. T., Krejtz, K., Krejtz, I., Biele, C., Niedzielska, A., Kiefer, P., Raubal, M., & Giannopoulos, I. (2018). The Index of Pupillary Activity: Measuring Cognitive Load vis-à-vis Task Difficulty with Pupil Oscillation. In Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems. CHI 2018 - Conference on Human Factors in Computing Systems, Montreal, Canada. ACM. https://doi.org/10.1145/3173574.3173856 ( reposiTUm)

Giannopoulos, I., & Montello, D. R. (2023). Facilitating Collective Cognition During Group Wayfinding Through the Human Eye. In K. Curtin & D. R. Montello (Eds.), Collective Spatial Cognition : A Research Agenda: Vol. 1st Edition (pp. 100–114). Routledge. http://hdl.handle.net/20.500.12708/209297 ( reposiTUm)

Giannopoulos, I., & Schmidtke, H. (Eds.). (2019). COSIT 2019 Doctoral Colloquium Proceedings. Universität Regensburg. http://hdl.handle.net/20.500.12708/24677 ( reposiTUm)

Kiefer, P., Giannopoulos, I., Göbel, F., Raubal, M., & Duchowski, A. T. (Eds.). (2018). Eye Tracking for Spatial Research, Proceedings of the 3rd International Workshop (ET4S): In conjunction with the 14th International Conference on Location Based Services (LBS 2018). ETH-Zürich. https://doi.org/10.3929/ethz-b-000222256 ( reposiTUm)

Giannopoulos, I. (2024). Unsere Digitale Welt - Augmented Reality, KI und der geografische Raum [Presentation]. Online-GEO-Woche 2024, Vienna, Austria. ( reposiTUm)

Alinaghi, N., Canestrini, M., Gogousou, I., & Giannopoulos, I. (2024, July 14). Evaluating Mobility-Friendly Regions: An Algorithmic Look at Urban Mobility [Conference Presentation]. 17th International Conference on Travel Behavior Research, Wien, Austria. ( reposiTUm)

Canestrini, M., Alinaghi, N., Gogousou, I., & Giannopoulos, I. (2024, July 14). Public Transport Mobility Index in Simple Terms - An OpenStreetMap Approach [Conference Presentation]. 17th International Conference on Travel Behavior Research, Wien, Austria. ( reposiTUm)

Navratil, G., Konturek, P., & Giannopoulos, I. (2020). Interacting with 3D Models - 3D-CAD vs. Holographic Models. 3D Geoinfo, London, United Kingdom of Great Britain and Northern Ireland (the). http://hdl.handle.net/20.500.12708/83946 ( reposiTUm)

Giannopoulos, I. (2020). Machine Learning for Location Based Services. AI Series IARAI, Wien, Austria. http://hdl.handle.net/20.500.12708/83951 ( reposiTUm)

Giannopoulos, I. (2020). Artificial Intelligence and Location Based Services. Patras Codecamp, Patras, Greece. http://hdl.handle.net/20.500.12708/83952 ( reposiTUm)

Giannopoulos, I. (2019). Eye Tracking Machine Learning and Augmented Reality for LBS. AIT Lecture Series, Wien, Austria. http://hdl.handle.net/20.500.12708/83884 ( reposiTUm)

Giannopoulos, I. (2019). Augmented Reality im Freien: Vermessung, Visualisierung, Interaktion. BIM auf der Baustelle: Augmented Reality im Bauwesen, Wien, Austria. http://hdl.handle.net/20.500.12708/83885 ( reposiTUm)

Giannopoulos, I. (2019). Vienna University of Technology (TU Wien): EDC Esri Relevant Projects. EDC Strategy Meeting, Berlin, Germany. http://hdl.handle.net/20.500.12708/83886 ( reposiTUm)

Giannopoulos, I. (2019). Neue Technologien und Methoden in der Geoinformation. AnwenderInnenkonferenz Land Steiermark Graz, Graz, Austria. http://hdl.handle.net/20.500.12708/83887 ( reposiTUm)

Giannopoulos, I. (2019). Augmented Reality im Freien - Vermessung, Visualisierung, Interaktion. OVG Vorträge Wien, Wien, Austria. http://hdl.handle.net/20.500.12708/83889 ( reposiTUm)

Giannopoulos, I. (2019). Eye Tracking, Machine Learning, and Augmented Reality for LBS. 15th International Conference on Location Based Services (LBS 2019), Wien, Austria. http://hdl.handle.net/20.500.12708/83888 ( reposiTUm)

Giannopoulos, I. (2019). Eye Tracking, Machine Learning und Augmented RealitY. Rotaract Club Vortragsmeetings, Wien, Austria. http://hdl.handle.net/20.500.12708/83890 ( reposiTUm)

Özdal-Oktay, S., Navratil, G., & Giannopoulos, I. (2019, September 11). A GIS-Based Approach for A Collective Solution in Design [Poster Presentation]. 14th International Conference on Spatial Information Theory (COSIT 2019), Regensburg, Germany. https://doi.org/10.34726/3021 ( reposiTUm)

Giannopoulos, I. (2018). Eye Tracking für Navigation. 13. Österreichischer Geodätentag, Steyr, Austria. http://hdl.handle.net/20.500.12708/83665 ( reposiTUm)

Giannopoulos, I. (2018). Interaktion mit dem Raum und räumlichen Daten. Geodätisches Kolloquium - Winter 2018/19, Innsbruck, Austria. http://hdl.handle.net/20.500.12708/83762 ( reposiTUm)

Giannopoulos, I. (2018). The Geoinformation Group at TU Vienna. Austrian Esri User Conference-Synergis, Wien, Austria. http://hdl.handle.net/20.500.12708/83764 ( reposiTUm)

Giannopoulos, I. (2018). Interacting with Space and Spatial Data. GI-Forum Winter 18/19, Münster, Germany. http://hdl.handle.net/20.500.12708/83763 ( reposiTUm)