Peter Kiefer, ETH Zurich

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To appear | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |

To appear
[1]	Tianyi Xiao, Yizi Chen, Sailin Zhong, Peter Kiefer, Jakub Krukar, Kevin Gonyop Kim, Lorenz Hurni, Angela Schwering, and Martin Raubal. Sketch2terrain: Ai-driven real-time terrain sketch mapping in augmented reality. In Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems, CHI '25, New York, NY, USA, 2025. ACM. accepted. [ bib ]
[2]	Shupeng Wang, Yizi Chen, Sidi Wu, Peter Kiefer, and Martin Raubal. Leveraging temporal gaze patterns for intelligent segmentation in mobile eye-tracking. Proc. ACM CGIT, 2025. accepted. [ bib ]
[3]	Nora Jane Castner, Peter Kiefer, Jochen Laubrock, and Carlos H. Morimoto. Pacmhci v9, n3, may 2025 editorial. Proc. ACM Hum.-Comput. Interact., (ETRA), May 2025. to appear. [ bib \| DOI ]
[4]	Brent Chamberlain, David Evans, Laura Schalbetter, Peter Kiefer, Adrienne Grêt-Regamey, and Ulrike Wissen Hayek. Analysing dynamic outdoor eye-tracking data. Journal of Digital Landscape Architecture, 2025. to appear. [ bib ]
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2025
[1]	Adrian Sarbach, Tiffany C.K. Kwok, Peter Kiefer, and Martin Raubal. 2d versus 3d aviation weather visualisations. Ergonomics, pages 1-14, 2025. [ bib \| DOI ]
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2024
[1]	Tiffany C.K. Kwok, Peter Kiefer, Victor R. Schinazi, Christoph Hoelscher, and Martin Raubal. Gaze-based detection of mind wandering during audio-guided panorama viewing. Scientific Reports, 14(1):27955, 2024. [ bib \| DOI ]
[2]	Luis Lutnyk, Kevin Gonyop Kim, Adrian Sarbach, Peter Kiefer, Ruth Häusler, and Martin Raubal. Context-sensitive augmented reality assistance in the cockpit. International Journal of Human–Computer Interaction, 0(0):1-20, 2024. [ bib \| DOI ]
[3]	Andrew Duchowski, Peter Kiefer, Krzysztof Krejtz, and Jochen Laubrock. Pacmhci v8, etra, may 2024 editorial. Proc. ACM Hum.-Comput. Interact., 8(ETRA), May 2024. [ bib \| DOI \| http ]
[4]	Tianyi Xiao, Kevin Gonyop Kim, Jakub Krukar, Rajasirpi Subramaniyan, Peter Kiefer, Angela Schwering, and Martin Raubal. Vresin: Externalizing spatial memory into 3d sketch maps. International Journal of Human-Computer Studies, 190:103322, 2024. [ bib \| DOI ]
[5]	Suvodip Chakraborty, Peter Kiefer, and Martin Raubal. Estimating perceived mental workload from eye-tracking data based on benign anisocoria. IEEE Transactions on Human-Machine Systems, 54:499-507, 2024. [ bib \| DOI ]
[6]	Suvodip Chakraborty, Peter Kiefer, and Martin Raubal. The influence of uncertainty visualization on cognitive load in a safety- and time-critical decision-making task. International Journal of Geographical Information Science, 0(0):1-28, 2024. [ bib \| DOI ]
[7]	Kevin Gonyop Kim, Tiffany C.K. Kwok, Sailin Zhong, Peter Kiefer, and Martin Raubal. Can you sketch in 3D? Exploring perceived feasibility and use cases of 3D sketch mapping. In Benjamin Adams, Amy L. Griffin, Simon Scheider, and Grant McKenzie, editors, 16th International Conference on Spatial Information Theory (COSIT 2024), volume 315 of Leibniz International Proceedings in Informatics (LIPIcs), pages 3:1-3:17. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, Dagstuhl, Germany, 2024. [ bib \| DOI ]
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2023
[1]	Negar Alinaghi, Tiffany C. K. Kwok, Peter Kiefer, and Ioannis Giannopoulos. Do You Need Instructions Again? Predicting Wayfinding Instruction Demand. In Roger Beecham, Jed A. Long, Dianna Smith, Qunshan Zhao, and Sarah Wise, editors, 12th International Conference on Geographic Information Science (GIScience 2023), volume 277 of Leibniz International Proceedings in Informatics (LIPIcs), pages 1:1-1:16, Dagstuhl, Germany, 2023. Schloss Dagstuhl - Leibniz-Zentrum für Informatik. [ bib \| DOI \| http ]
[2]	Tiffany C.K. Kwok, Peter Kiefer, and Martin Raubal. Unobtrusive interaction: A systematic literature review and expert survey. Human-Computer Interaction, 2023. [ bib \| DOI ]
[3]	Luis Lutnyk, David Rudi, Victor R. Schinazi, Peter Kiefer, and Martin Raubal. The effect of flight phase on electrodermal activity and gaze behavior: A simulator study. Applied Ergonomics, 109, 2023. [ bib \| DOI ]
[4]	Ursina Christina Boos, Tumasch Reichenbacher, Peter Kiefer, and Christian Sailer. An augmented reality study for public participation in urban planning. Journal of Location Based Services, 17(1):48-77, 2023. [ bib \| DOI ]
[5]	Luis Lutnyk, David Rudi, Emanuel Meier, Peter Kiefer, and Martin Raubal. Flybrate: Evaluating vibrotactile cues for simulated flight. International Journal of Human–Computer Interaction, 39(12):2374-2391, 2023. [ bib \| DOI ]
[6]	Lin Che, Martin Raubal, and Peter Kiefer. Towards personalized pedestrian route recommendation based on implicit visual preference. In Haosheng Huang, Nico Van de Weghe, and Georg Gartner, editors, Proceedings of the 18th International Conference on Location Based Services, 2023. [ bib \| DOI ]
[7]	Yiwei Wang, Martin Raubal, and Peter Kiefer. Towards gaze-supported emotion-enhanced travel experience logging. In Haosheng Huang, Nico Van de Weghe, and Georg Gartner, editors, Proceedings of the 18th International Conference on Location Based Services, 2023. [ bib \| DOI ]
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2022
[1]	Tiffany C.K. Kwok, Peter Kiefer, and Martin Raubal. Two-step gaze guidance. In Proceedings of the 2022 International Conference on Multimodal Interaction, ICMI '22, page 299–309, New York, NY, USA, 2022. Association for Computing Machinery. [ bib \| DOI ]
[2]	Suvodip Chakraborty, Peter Kiefer, and Martin Raubal. Improving resilience by communicating predicted disruptions in control rooms. In Carmelo Ardito, Rosa Lanzilotti, Alessio Malizia, Marta Larusdottir, Lucio Davide Spano, José Campos, Morten Hertzum, Tilo Mentler, José Abdelnour Nocera, Lara Piccolo, Stefan Sauer, and Gerrit van der Veer, editors, Sense, Feel, Design. INTERACT 2021, volume 13198 of Lecture Notes in Computer Science, pages 302-315, Cham, 2022. Springer International Publishing. [ bib \| DOI ]
[3]	Kevin Gonyop Kim, Jakub Krukar, Panagiotis Mavros, Jiayan Zhao, Peter Kiefer, Angela Schwering, Christoph Hölscher, and Martin Raubal. 3D Sketch Maps: Concept, Potential Benefits, and Challenges. In Toru Ishikawa, Sara Irina Fabrikant, and Stephan Winter, editors, 15th International Conference on Spatial Information Theory (COSIT 2022), volume 240 of Leibniz International Proceedings in Informatics (LIPIcs), pages 14:1-14:7, Dagstuhl, Germany, 2022. Schloss Dagstuhl - Leibniz-Zentrum für Informatik. [ bib \| DOI ]
[4]	Frederick Shic, Enkelejda Kasneci, Mohamed Khamis, Hans Gellersen, Enkelejda Kasneci, Krzysztof Krejtz, Daniel Weiskopf, Tanja Blascheck, Jessica Bradshaw, Hana Vrzakova, Kamran Binaee, Michael Burch, Peter Kiefer, Roman Bednarik, Diako Mardanbegi, Christopher Clarke, Rakshit Kothari, Vijay Rajanna, Sampath Jayarathna, Arantxa Villanueva, Adham Atyabi, and Shahram Eivazi, editors. ETRA '22: 2022 Symposium on Eye Tracking Research and Applications, New York, NY, USA, 2022. Association for Computing Machinery. [ bib \| DOI ]
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2021
[1]	Andreas Bulling, Anke Huckauf, Hans Gellersen, Daniel Weiskopf, Mihai Bace, Teresa Hirzle, Florian Alt, Thies Pfeiffer, Roman Bednarik, Krzysztof Krejtz, Tanja Blascheck, Michael Burch, Peter Kiefer, Michael Dodd, and Bonita Sharif, editors. ETRA '21 Short Papers: ACM Symposium on Eye Tracking Research and Applications, New York, NY, USA, 2021. Association for Computing Machinery. [ bib \| DOI ]
[2]	Andreas Bulling, Anke Huckauf, Hans Gellersen, Daniel Weiskopf, Mihai Bace, Teresa Hirzle, Florian Alt, Thies Pfeiffer, Roman Bednarik, Krzysztof Krejtz, Tanja Blascheck, Michael Burch, Peter Kiefer, Michael Dodd, and Bonita Sharif, editors. ETRA '21 Adjunct: ACM Symposium on Eye Tracking Research and Applications, New York, NY, USA, 2021. Association for Computing Machinery. [ bib \| DOI ]
[3]	Andreas Bulling, Anke Huckauf, Hans Gellersen, Daniel Weiskopf, Mihai Bace, Teresa Hirzle, Florian Alt, Thies Pfeiffer, Roman Bednarik, Krzysztof Krejtz, Tanja Blascheck, Michael Burch, Peter Kiefer, Michael Dodd, and Bonita Sharif, editors. ETRA '21 Full Papers: ACM Symposium on Eye Tracking Research and Applications, New York, NY, USA, 2021. Association for Computing Machinery. [ bib \| DOI ]
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2020
[1]	Bartosz Mazurkiewicz, Markus Kattenbeck, Peter Kiefer, and Ioannis Giannopoulos. Not Arbitrary, Systematic! Average-Based Route Selection for Navigation Experiments. In Krzysztof Janowicz and Judith A. Verstegen, editors, 11th International Conference on Geographic Information Science (GIScience 2021) - Part I, volume 177 of Leibniz International Proceedings in Informatics (LIPIcs), pages 8:1-8:16, Dagstuhl, Germany, 2020. Schloss Dagstuhl-Leibniz-Zentrum für Informatik. [ bib \| DOI ]
[2]	Peter Kiefer, Benjamin Adams, Tiffany C. K. Kwok, and Martin Raubal. Modeling Gaze-Guided Narratives for Outdoor Tourism, pages 307-318. Springer International Publishing, Cham, 2020. [ bib \| DOI ]
[3]	David Rudi, Peter Kiefer, Ioannis Giannopoulos, and Martin Raubal. Gaze-based interactions in the cockpit of the future - a survey. Journal on Multimodal User Interfaces, 14:25-48, 2020. [ bib \| DOI ]
[4]	David Rudi, Peter Kiefer, and Martin Raubal. The instructor assistant system (iASSYST) - utilizing eye tracking for commercial aviation training purposes. Ergonomics, 63(1):61-79, 2020. [ bib \| DOI ]
[5]	Vsevolod Peysakhovich, David Rudi, Mickaël Causse, Peter Kiefer, Frédéric Dehais, and Martin Raubal, editors. Eye-Tracking in Aviation. Proceedings of the 1st International Workshop (ETAVI 2020), Toulouse; Zurich, 2020. ISAE-SUPAERO, Université de Toulouse; Institute of Cartography and Geoinformation (IKG), ETH Zurich. [ bib \| DOI ]
[6]	Fabian Goebel, Kuno Kurzhals, Victor R. Schinazi, Peter Kiefer, and Martin Raubal. Gaze-adaptive lenses for feature-rich information spaces. In ACM Symposium on Eye Tracking Research and Applications, ETRA '20 Full Papers, New York, NY, USA, 2020. Association for Computing Machinery. [ bib \| DOI ]
[7]	Luis Lutnyk, David Rudi, Peter Kiefer, and Martin Raubal. Recognizing pilot state: Enabling tailored in-flight assistance through machine learning. In The 1st International Conference on Cognitive Aircraft Systems – ICCAS, pages 54-55, Toulouse, 2020. ISAE-SUPAERO, Université de Toulouse; Institute of Cartography and Geoinformation (IKG), ETH Zurich. [ bib \| DOI ]
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2019
[1]	Tiffany C.K. Kwok, Peter Kiefer, Victor Schinazi, Benjamin Adams, and Martin Raubal. Gaze-guided narratives: Adapting audio guide content to gaze in virtual and real environments. In Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems, CHI '19, New York, NY, USA, 2019. ACM. [ bib \| DOI ]
[2]	Fabian Göbel, Peter Kiefer, and Martin Raubal. FeaturEyeTrack: Automatic matching of eye tracking data with map features on interactive maps. Geoinformatica, 23(4):663-687, 2019. [ bib \| DOI ]
[3]	Fabian Göbel and Peter Kiefer. POI-track: Improving map-based planning with implicit POI tracking. In Proceedings of the 11th ACM Symposium on Eye Tracking Research & Applications, ETRA '19, pages 87:1-87:9, New York, NY, USA, 2019. ACM. [ bib \| DOI ]
[4]	Ulrike Wissen Hayek, Kilian Müller, Fabian Göbel, Peter Kiefer, Reto Spielhofer, and Adrienne Grêt-Regamey. 3d Point clouds and eye tracking for investigating the perception and acceptance of power lines in different landscapes. Multimodal Technologies and Interaction, 3(2), 2019. [ bib \| DOI ]
[5]	Peter Kiefer. Gaze-based narratives for location-based games. In Designing for Outdoor Play, Workshop at CHI 2019, 2019. [ bib \| DOI ]
[6]	Laura Schalbetter, Tiffany C.K. Kwok, Peter Kiefer, and Martin Raubal. Gaze-based interaction with maps and panoramas. In Georg Gartner and Haosheng Huang, editors, LBS 2019: Adjunct Proceedings of the 15th International Conference on Location-Based Services, pages 7-12, 2019. [ bib \| DOI ]
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2018
[1]	Peter Kiefer. Challenges in gaze-based intention recognition. In Lewis Chuang, Andrew Duchowski, Pernilla Qvarfordt, and Daniel Weiskopf, editors, Report from Dagstuhl Seminar 18252 - Ubiquitous Gaze Sensing and Interaction, volume 8 of Dagstuhl Reports, pages 44-46. Dagstuhl Publishing, 2018. [ bib \| http ]
[2]	Martin Raubal, Shaowen Wang, Mengyu Guo, David Jonietz, and Peter Kiefer, editors. Spatial Big Data and Machine Learning in GIScience, Workshop at GIScience 2018, Melbourne, Australia, 2018. [ bib \| http \| .pdf ]
[3]	Fabian Göbel, Peter Kiefer, Ioannis Giannopoulos, and Martin Raubal. Gaze Sequences and Map Task Complexity. In Stephan Winter, Amy Griffin, and Monika Sester, editors, 10th International Conference on Geographic Information Science (GIScience 2018), volume 114 of Leibniz International Proceedings in Informatics (LIPIcs), pages 30:1-30:6, Dagstuhl, Germany, 2018. Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik. [ bib \| DOI ]
[4]	David Rudi, Peter Kiefer, and Martin Raubal. Visualizing pilot eye movements for flight instructors. In Proceedings of the 3rd Workshop on Eye Tracking and Visualization, ETVIS '18, pages 7:1-7:5, New York, NY, USA, 2018. ACM. [ bib \| DOI ]
[5]	Fabian Göbel, Peter Kiefer, Ioannis Giannopoulos, Andrew T. Duchowski, and Martin Raubal. Improving map reading with gaze-adaptive legends. In Proceedings of the 2018 ACM Symposium on Eye Tracking Research & Applications, ETRA '18, pages 29:1-29:9, New York, NY, USA, 2018. ACM. [ bib \| DOI ]
[6]	Andrew T. Duchowski, Krzysztof Krejtz, Izabela Krejtz, Cezary Biele, Anna Niedzielska, Peter Kiefer, Martin Raubal, and Ioannis Giannopoulos. 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 '18, pages 282:1-282:13, New York, NY, USA, 2018. ACM. [ bib \| DOI ]
[7]	Peter Kiefer, Benjamin Adams, and Martin Raubal. Gaze-guided narratives for outdoor tourism. In HCI in the Outdoors, Workshop at CHI 2018, 2018. [ bib \| DOI ]
[8]	Peter Kiefer, Haosheng Huang, Nico Van de Weghe, and Martin Raubal, editors. Progress in Location Based Services 2018. Lecture Notes in Geoinformation and Cartography. Springer, Cham, 2018. [ bib \| DOI ]
[9]	Peter Kiefer, Haosheng Huang, Nico Van de Weghe, and Martin Raubal, editors. Adjunct Proceedings of the 14th International Conference on Location Based Services. ETH Zurich, 2018. [ bib \| DOI ]
[10]	Peter Kiefer, Ioannis Giannopoulos, Fabian Göbel, Martin Raubal, and Andrew T. Duchowski, editors. ET4S Eye Tracking for Spatial Research, Proceedings of the 3rd International Workshop. ETH Zurich, 2018. [ bib \| DOI ]
[11]	Fabian Göbel, Nikolaos Bakogioannis, Katharina Henggeler, Roswita Tschümperlin, Yang Xu, Peter Kiefer, and Martin Raubal. A public gaze-controlled campus map. In P. Kiefer, I. Giannopoulos, F. Göbel, M. Raubal, and A.T. Duchowski, editors, ET4S Eye Tracking for Spatial Research, Proceedings of the 3rd International Workshop. ETH Zurich, 2018. [ bib \| DOI ]
[12]	Simon Scheider and Peter Kiefer. (Re-)Localization of location-based games. In Ola Ahlqvist and Christoph Schlieder, editors, Geogames and Geoplay, pages 131-159. Springer, Cham, 2018. [ bib \| DOI \| .pdf ]
[13]	Christian Sailer, Peter Kiefer, and Martin Raubal. OMLETH: A multimedia guide for field trips. In Proceedings of the ETH Learning and Teaching Fair 2018, volume 1 of ETH Learning and Teaching Journal. ETH Zurich, 2018. [ bib \| http ]
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2017
[1]	David Jonietz and Peter Kiefer. Uncertainty in wayfinding: A conceptual framework and agent-based model. In E. Clementini, M. Donnelly, M. Yuan, C. Kray, P. Fogliaroni, and A. Ballatore, editors, 13th International Conference on Spatial Information Theory (COSIT 2017). Dagstuhl Publishing (LIPICS), September 2017. [ bib \| DOI \| .pdf ]
[2]	Vasileios-Athanasios Anagnostopoulos, Michal Havlena, Peter Kiefer, Ioannis Giannopoulos, Konrad Schindler, and Martin Raubal. Gaze-informed location based services. International Journal of Geographical Information Science, 31(9):1770-1797, 2017. [ bib \| DOI \| .pdf ]
[3]	Peter Kiefer, Ioannis Giannopoulos, Vasileios Athanasios Anagnostopoulos, Johannes Schöning, and Martin Raubal. Controllability matters: The user experience of adaptive maps. Geoinformatica, 21(3):619-641, 2017. [ bib \| DOI \| .pdf ]
[4]	Peter Kiefer, Ioannis Giannopoulos, Martin Raubal, and Andrew T. Duchowski. Eye Tracking for Spatial Research: Cognition, Computation, Challenges. Spatial Cognition & Computation, 17(1-2):1-19, 2017. [ bib \| DOI \| .pdf ]
[5]	Peter Kiefer, Ioannis Giannopoulos, Martin Raubal, and Andrew T. Duchowski, editors. Special Issue: Eye Tracking for Spatial Research, Spatial Cognition & Computation, volume 17(1-2), 2017. [ bib \| http ]
[6]	Fabian Göbel, Peter Kiefer, and Martin Raubal. FeaturEyeTrack: A vector tile-based eye tracking framework for interactive maps. In A. Bregt, T. Sarjakoski, Lammeren T., and F. Rip, editors, Societal Geo-Innovation : short papers, posters and poster abstracts of the 20th AGILE Conference on Geographic Information Science, 2017. [ bib \| .pdf ]
[7]	Andrew T. Duchowski, Krzysztof Krejtz, Cezary Biele, Anna Niedzielska, Peter Kiefer, Ioannis Giannopoulos, Nina Gehrer, and Michael Schönenberg. An inverse-linear logistic model of the main sequence. Journal of Eye Movement Research, 10(3):1-19, 2017. [ bib \| DOI ]
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2016
[1]	Peter Kiefer, Ioannis Giannopoulos, Andrew T. Duchowski, and Martin Raubal. Measuring cognitive load for map tasks through pupil diameter. In J.A. Miller, D. O'Sullivan, and N. Wiegand, editors, Proceedings of the Ninth International Conference on Geographic Information Science (GIScience 2016), pages 323-337. Springer International Publishing, 2016. [ bib \| DOI \| .pdf ]
[2]	David Rudi, Ioannis Giannopoulos, Peter Kiefer, Christian Peier, and Martin Raubal. Interacting with maps on optical head-mounted displays. In Proceedings of the 2016 Symposium on Spatial User Interaction, SUI '16, pages 3-12, New York, NY, USA, 2016. ACM. [ bib \| DOI ]
[3]	Vasileios-Athanasios Anagnostopoulos and Peter Kiefer. Towards gaze-based interaction with urban outdoor spaces. In 6th International Workshop on Eye Tracking and Mobile Eye-Based Interaction (PETMEI 2016), UbiComp'16 Adjunct, New York, NY, USA, 2016. ACM. [ bib \| DOI \| .pdf ]
[4]	Christian Sailer, Peter Kiefer, Joram Schito, and Martin Raubal. Map-based visual analytics of moving learners. International Journal of Mobile Human Computer Interaction, 8(4), Oct-Dec 2016. [ bib \| DOI ]
[5]	David Rudi, Peter Kiefer, and Martin Raubal. Spatial awareness in the cockpit. Department of Civil, Environmental and Geomatic Engineering, ETH Zurich, Annual Report 2015, April 2016. [ bib \| .pdf ]
[6]	Paul Weiser, Simon Scheider, Dominik Bucher, Peter Kiefer, and Martin Raubal. Towards sustainable mobility behavior: research challenges for location-aware information and communication technology. Geoinformatica, 20(2):213-239, 2016. [ bib \| DOI ]
[7]	Christian Kray, Claudia Bauzer Medeiros, Gilberto Câmara, Sara Irina Fabrikant, Barbara Grüter, Francis Harvey, Tomi Kauppinen, Peter Kiefer, Markus Neteler, Edzer Pebesma, Albert Remke, and Angela Schwering. How can Geoinformatics help address global challenges? Output of Thinktank at ifgi Münster, 2016. [ bib \| .pdf ]
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2015
[1]	Peter Kiefer, Yanxia Zhang, and Andreas Bulling. The 5th International Workshop on Pervasive Eye Tracking and Mobile Eye-Based Interaction. In Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers, UbiComp '15, pages 825-828, New York, NY, USA, 2015. ACM. [ bib \| DOI ]
[2]	Peter Kiefer, Simon Scheider, Ioannis Giannopoulos, and Paul Weiser. A wayfinding grammar based on reference system transformations. In Sara Irina Fabrikant, Martin Raubal, Michela Bertolotto, Clare Davies, Scott Freundschuh, and Scott Bell, editors, Spatial Information Theory (COSIT 2015), volume 9368 of Lecture Notes in Computer Science, pages 447-467. Springer International Publishing, 2015. [ bib \| DOI \| .pdf ]
[3]	Ioannis Giannopoulos, Peter Kiefer, and Martin Raubal. GazeNav: Gaze-based pedestrian navigation. In 17th International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI), pages 337-346, New York, NY, USA, 2015. ACM. [ bib \| DOI \| .pdf ]
[4]	Peter Kiefer and Ioannis Giannopoulos. A framework for attention-based implicit interaction on mobile screens. In Proceedings of the 17th International Conference on Human-Computer Interaction with Mobile Devices and Services Adjunct, MobileHCI '15, pages 1088-1093, New York, NY, USA, 2015. ACM. [ bib \| DOI \| .pdf ]
[5]	Christian Sailer, Joram Schito, Peter Kiefer, and Martin Raubal. Teachers matter: Challenges of using a location-based mobile learning platform. In Tom H. Brown and Herman J. van der Merwe, editors, The Mobile Learning Voyage – From Small Ripples to Massive Open Waters, volume 560 of Communications in Computer and Information Science, pages 239-255. Springer International Publishing, Heidelberg, New York, 2015. [ bib \| DOI ]
[6]	Christian Sailer, Peter Kiefer, Joram Schito, and Martin Raubal. An evaluation method for location-based mobile learning based on spatio-temporal analysis of learner trajectories. In Proceedings of the 17th International Conference on Human-Computer Interaction with Mobile Devices and Services Adjunct, MobileHCI '15, pages 1212-1218, New York, NY, USA, 2015. ACM. [ bib \| DOI \| .pdf ]
[7]	Peter Kiefer, Ioannis Giannopoulos, and Martin Raubal. Gaze-based geographic human computer interaction. Department of Civil, Environmental and Geomatic Engineering, ETH Zurich, Annual Report 2014, April 2015. [ bib \| .pdf ]
[8]	Joram Schito, Christian Sailer, and Peter Kiefer. Bridging the gap between location-based games and teaching. In Proc. of the AGILE 2015 Workshop on Geogames and Geoplay, 2015. [ bib \| .pdf ]
[9]	Simon Scheider, Peter Kiefer, Paul Weiser, Martin Raubal, and Christian Sailer. Score design for meaningful gamification. In Researching Gamification: Strategies, Opportunities, Challenges, Ethics, Workshop at CHI 2015, 2015. [ bib \| .pdf ]
[10]	Ioannis Giannopoulos, Peter Kiefer, and Martin Raubal. Watch what I am looking at! Eye gaze and head-mounted displays. In Mobile Collocated Interactions, Workshop at CHI 2015, 2015. [ bib \| .pdf ]
[11]	Christian Sailer, Peter Kiefer, and Martin Raubal. An integrated learning management system for location-based mobile learning. In Proc. 11th International Conference on Mobile Learning, 2015. [ bib \| .pdf ]
[12]	Peter Kiefer. Blickbasierte Mensch-Computer-Interaktion mit Geoinformationssystemen. In Thomas H. Kolbe, Ralf Bill, and Andreas Donaubauer, editors, Geoinformationssysteme 2015, pages 47-58. Wichmann, Heidelberg, 2015. [ bib \| .pdf ]
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2014
[1]	Peter Kiefer, Martin Raubal, Tabea Probst, and Hansruedi Bär. Linear location-based services. In Proceedings of the 11th International Symposium on Location-Based Services (LBS 2014), pages 239-243, 2014. [ bib \| .pdf ]
[2]	Ioannis Giannopoulos, Peter Kiefer, Martin Raubal, Kai-Florian Richter, and Tyler Thrash. Wayfinding decision situations: A conceptual model and evaluation. In Proceedings of the Eighth International Conference on Geographic Information Science (GIScience 2014), pages 221-234. Springer International Publishing, 2014. [ bib \| DOI \| .pdf ]
[3]	Peter Kiefer, Ioannis Giannopoulos, Martin Raubal, and Antonio Krüger, editors. Eye Tracking for Spatial Research, Proceedings of the 2nd International Workshop (in conjunction with GIScience 2014), number 1241 in CEUR Workshop Proceedings, 2014. [ bib \| http ]
[4]	Peter Kiefer, Ioannis Giannopoulos, and Martin Raubal. Where am I? Investigating map matching during self-localization with mobile eye tracking in an urban environment. Transactions in GIS, 18(5):660-686, 2014. [ bib \| DOI \| .pdf ]
[5]	Peter Kiefer. Raum für Assoziationen, räumliche Assoziationen: Eine raumbezogene Betrachtung der Graphiken von Maria Arnold. In Pierre Thomé and Lynn Kost, editors, In Bildern Denken / Thinking in Pictures, pages 283-302. Applaus Verlag, Zürich, 2014. [ bib ]
[6]	Peter Kiefer, Ioannis Giannopoulos, Dominik Kremer, Christoph Schlieder, and Martin Raubal. Starting to get bored: An outdoor eye tracking study of tourists exploring a city panorama. In Proceedings of the Symposium on Eye Tracking Research and Applications, ETRA '14, pages 315-318, New York, NY, USA, 2014. ACM. [ bib \| DOI \| .pdf ]
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2013
[1]	Peter Kiefer, Ioannis Giannopoulos, and Martin Raubal. Using eye movements to recognize activities on cartographic maps. In Proceedings of the 21st SIGSPATIAL International Conference on Advances in Geographic Information Systems, pages 488-491, New York, NY, USA, 2013. ACM. [ bib \| DOI \| .pdf ]
[2]	Ioannis Giannopoulos, Peter Kiefer, and Martin Raubal. The influence of gaze history visualization on map interaction sequences and cognitive maps. In Proceedings of the 1st ACM SIGSPATIAL Workshop on MapInteraction, pages 1-6, New York, NY, USA, 2013. ACM. [ bib \| DOI ]
[3]	Peter Kiefer, Ioannis Giannopoulos, Martin Raubal, and Mary Hegarty, editors. Eye Tracking for Spatial Research, Proceedings of the 1st International Workshop (in conjunction with COSIT 2013), 2013. [ bib \| http ]
[4]	Ioannis Giannopoulos, Peter Kiefer, and Martin Raubal. Mobile Outdoor Gaze-Based GeoHCI. In Geographic Human-Computer Interaction, Workshop at CHI 2013, pages 12-13, Paris, France, 2013. [ bib \| .pdf ]
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2012
[1]	Peter Kiefer and Ioannis Giannopoulos. Gaze map matching: Mapping eye tracking data to geographic vector features. In Proceedings of the 20th SIGSPATIAL International Conference on Advances in Geographic Information Systems, pages 359-368, New York, NY, USA, 2012. ACM. [ bib \| DOI \| .pdf ]
[2]	Ioannis Giannopoulos, Peter Kiefer, and Martin Raubal. GeoGazemarks: Providing gaze history for the orientation on small display maps. In Proceedings of the 14th International Conference on Multimodal Interaction, ICMI '12, pages 165-172, New York, NY, USA, 2012. ACM. [ bib \| DOI \| .pdf ]
[3]	Peter Kiefer. Mobile intention recognition. In Steffen Hölldobler, Abraham Bernstein, Klaus-Peter Löhr, Paul Molitor, Gustaf Neumann, Rüdiger Reischuk, Myra Spiliopoulou, Harald Störrle, and Dorothea Wagner, editors, Ausgezeichnete Informatikdissertationen 2011, Lecture Notes in Informatics. Gesellschaft für Informatik, 2012. [ bib ]
[4]	Peter Kiefer, Florian Straub, and Martin Raubal. Location-aware mobile eye tracking for the explanation of wayfinding behavior. In Jérôme Gensel, Didier Josselin, and Danny Vandenbroucke, editors, Proceedings of the AGILE'2012 International Conference on Geographic Information Science, 2012. [ bib \| .pdf ]
[5]	Peter Kiefer, Florian Straub, and Martin Raubal. Towards location-aware mobile eye tracking. In Proceedings of the Symposium on Eye Tracking Research and Applications, ETRA '12, pages 313-316, New York, NY, USA, 2012. ACM. [ bib \| DOI \| .pdf ]
[6]	Sebastian Matyas, Peter Kiefer, and Christoph Schlieder. Changing the rules: Acquiring quality assured geospatial data with location-based games. In Proceedings of the 4th annual Asian GAME-ON Conference on Simulation and AI in Computer Games (GAME-ON ASIA'2012), pages 44-50. EUROSIS, 2012. [ bib \| .pdf ]
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2011
[1]	Peter Kiefer. Mobile Intention Recognition. Springer, New York, 2011. PhD Thesis, Otto-Friedrich-Universität Bamberg, Germany. [ bib \| http ]
[2]	Sebastian Matyas, Peter Kiefer, Christoph Schlieder, and Sara Kleyer. Wisdom about the crowd: Assuring geospatial data quality collected in location-based games. In Junia Anacleto, Sidney Fels, Nicholas Graham, Bill Kapralos, Magy Saif El-Nasr, and Kevin Stanley, editors, Entertainment Computing - ICEC 2011, volume 6972 of Lecture Notes in Computer Science, pages 331-336. Springer Berlin / Heidelberg, 2011. [ bib \| DOI \| .pdf ]
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2010
[1]	Peter Kiefer, Thomas Bornschlegel, and Christoph Schlieder. Ein Bewegungskostenmodell für personalisierte Fitnesstrainer in ortsbezogenen Spielen. In Informatik 2010: Service Science - Neue Perspektiven für die Informatik, Beiträge der 40. Jahrestagung der Gesellschaft für Informatik e.V. (GI), Band 1, Workshop FITBYIT - IT-Dienste für Sport, Fitness und Gesundheit, number 175 in LNI, pages 27-33. Gesellschaft für Informatik, 2010. [ bib \| .pdf ]
[2]	Peter Kiefer, Martin Raubal, and Christoph Schlieder. Time geography inverted: recognizing intentions in space and time. In Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems, pages 510-513, New York, NY, USA, 2010. ACM. [ bib \| DOI \| .pdf ]
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2009
[1]	Peter Kiefer, Klaus Stein, and Christoph Schlieder. Rule-based intention recognition from spatio-temporal motion track data in ambient assisted living. In Björn Gottfried and Hamid Aghajan, editors, Behaviour Monitoring and Interpretation in Ambient Environments, pages 235-256. IOS Press, 2009. [ bib \| DOI ]
[2]	Peter Kiefer. SCTAG: A mildly context-sensitive formalism for modeling complex intentions in spatially structured environments. In AAAI Spring Symposium on Human Behavior Modeling, number SS-09-04 in AAAI Technical Report, pages 19-24, Stanford California, 2009. AAAI. [ bib \| .pdf ]
[3]	Sebastian Matyas, Christian Matyas, Hiroko Mitarai, Maiko Kamata, Peter Kiefer, and Christoph Schlieder. Designing location-based mobile games - the CityExplorer case study. In Adriana de Souza e Silva and Daniel M. Sutko, editors, Digital Cityscapes: Merging Digital and Urban Playspaces, pages 187-203. Peter Lang Publishers, NY, USA, 2009. [ bib ]
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2008
[1]	Peter Kiefer. Spatially constrained grammars for mobile intention recognition. In Christian Freksa, Nora Newcombe, Peter Gärdenfors, and Stefan Wölfl, editors, Spatial Cognition VI. Learning, Reasoning, and Talking about Space, volume 5248 of Lecture Notes in Computer Science, pages 361-377. Springer Berlin / Heidelberg, 2008. [ bib \| DOI \| .pdf ]
[2]	Sebastian Matyas, Christian Matyas, Christoph Schlieder, and Peter Kiefer. CityExplorer - a Geogame extending the magic circle. In Heinz-Gerd Hegering, Axel Lehmann, Hans-Jürgen Ohlbach, and Christian Scheideler, editors, INFORMATIK 2008, Beherrschbare Systeme - dank Informatik (38. Jahrestagung der Gesellschaft für Informatik 2008, Workshop on Mobile Gaming München 8. - 13. September). Bd. 1, volume 133 of LNI, pages 503-504. Gesellschaft für Informatik, 2008. [ bib ]
[3]	Sebastian Matyas, Christian Matyas, Christoph Schlieder, Peter Kiefer, Hiroko Mitarai, and Maiko Kamata. Designing location-based mobile games with a purpose: collecting geospatial data with CityExplorer. In Proceedings of the 2008 International Conference on Advances in Computer Entertainment Technology, pages 244-247, New York, NY, USA, 2008. ACM. [ bib \| DOI \| .pdf ]
[4]	Peter Kiefer, Sebastian Matyas, and Christoph Schlieder. Geogames - intention recognition and data quality in location-based gaming. KI, 08(3):29-32, 2008. [ bib \| .pdf ]
[5]	Peter Kiefer and Klaus Stein. A framework for mobile intention recognition in spatially structured environments. In 2nd Workshop on Behavior Monitoring and Interpretation (BMI08), 31st German Conference on Artificial Intelligence (KI-2008), pages 28-41. CEUR Vol-396, 2008. ISSN 1613-0073. [ bib \| .pdf ]
[6]	Peter Kiefer. Modeling mobile intention recognition problems with spatially constrained tree-adjoining grammars. In Proc. of the 9th Workshop on Tree Adjoining Grammars and Related Formalisms (TAG+9), pages 105-112, Tuebingen, Germany, June 2008. [ bib \| .pdf ]
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2007
[1]	Thomas Malsch, Christoph Schlieder, Peter Kiefer, Maren Lübcke, Rasco Perschke, Marco Schmitt, and Klaus Stein. Communication between process and structure: Modelling and simulating message reference networks with COM/TE. Journal of Artificial Societies and Social Simulation, 10(1), 2007. [ bib \| .html ]
[2]	Peter Kiefer and Christoph Schlieder. Exploring context-sensitivity in spatial intention recognition. In Workshop on Behavior Monitoring and Interpretation, 30th German Conference on Artificial Intelligence (KI-2007), pages 102-116. CEUR Vol-296, 2007. ISSN 1613-0073. [ bib \| .pdf ]
[3]	Peter Kiefer and Christoph Schlieder. Exploring context-sensitivity in spatial intention recognition. In Workshop on Behavior Monitoring and Interpretation, 30th German Conference on Artificial Intelligence (KI-2007), pages 102-116. TZI University of Bremen, TR-42, 2007. ISSN 1613-3773. [ bib ]
[4]	Peter Kiefer, Sebastian Matyas, and Christoph Schlieder. Geogames - integrating edutainment content in location-based games. In Carsten Magerkurth and Carsten Röcker, editors, Concepts and Technologies for Pervasive Games - A Reader for Pervasive Gaming Research, Vol. 1, pages 127-152. Shaker Verlag, Aachen, Germany, November 2007. [ bib ]
[5]	Christoph Schlieder, Sebastian Matyas, and Peter Kiefer. Geogames - location-based games as infotainment. In F. Borries, St.P. Walz, and M. Böttger, editors, Space Time Play: Synergies Between Computer Games, Architecture and Urbanism, pages 302-307. Birkhäuser, September 2007. [ bib \| http ]
[6]	Peter Kiefer, Sebastian Matyas, and Christoph Schlieder. Playing location-based games on geographically distributed game boards. In Carsten Magerkurth, Karl P. Akesson, Regina Bernhaupt, Staffan Björk, Irma Lindt, Peter Ljungstrand, and Annika Waern, editors, 4th International Symposium on Pervasive Gaming Applications (PerGames 2007), Salzburg, Austria, 2007. Shaker Verlag Aachen. [ bib \| .pdf ]
[7]	Peter Kiefer, Sebastian Matyas, and Christoph Schlieder. Playing on a line: location-based games for linear trips. In Proceedings of the international conference on Advances in Computer Entertainment technology, pages 250-251, New York, NY, USA, 2007. ACM. [ bib \| DOI \| .pdf ]
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2006
[1]	Peter Kiefer, Klaus Stein, and Christoph Schlieder. Visibility analysis on the web using co-visibilities and semantic networks. In Markus Ackermann, Bettina Berendt, Marko Grobelnik, Andreas Hotho, Dunja Mladenic, Giovanni Semeraro, Myra Spiliopoulou, Gerd Stumme, Vojtech Svátek, and Maarten van Someren, editors, Semantics, Web and Mining, volume 4289 of Lecture Notes in Computer Science, pages 34-50. Springer Berlin / Heidelberg, 2006. [ bib \| DOI \| .pdf ]
[2]	Christoph Schlieder, Peter Kiefer, and Sebastian Matyas. Geogames - designing location-based games from classic board games. IEEE Intelligent Systems, 21(5):40-46, Sep/Okt 2006. [ bib \| DOI \| .pdf ]
[3]	Christoph Schlieder, Peter Kiefer, and Sebastian Matyas. Geogames - Ortsbezogene Spiele als neue Form des Edutainment. i-com: Zeitschrift für interaktive und kooperative Medien, 5(3):5-10, 2006. [ bib \| DOI ]
[4]	Peter Kiefer, Sebastian Matyas, and Christoph Schlieder. Learning about cultural heritage by playing Geogames. In Richard Harper, Matthias Rauterberg, and Marco Combetto, editors, Entertainment Computing - ICEC 2006, volume 4161 of Lecture Notes in Computer Science, pages 217-228. Springer Berlin / Heidelberg, 2006. [ bib \| DOI ]
[5]	Peter Kiefer, Sebastian Matyas, and Christoph Schlieder. Systematically exploring the design space of location-based games. In Pervasive 2006 Workshop Proceedings, Poster presented at PerGames2006, pages 183-190, Dublin, Ireland, May 2006. [ bib \| .pdf ]
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2005
[1]	Peter Kiefer and Klaus Stein. Visibility analysis on the web as an indicator for public relations and marketing evaluation. In M. Mohammadian, editor, Proceedings of the International Conference on Intelligent Agents, Web Technology and Internet Commerce (IAWTIC 2005), pages 151-157, Vienna, Austria, November 2005. [ bib ]
[2]	Peter Kiefer and Sebastian Matyas. The Geogames tool: Balancing spatio-temporal design parameters in location-based games. In Q. Mehdi and N. Gough, editors, Proceedings of the 7th International Conference on Computer Games: Artificial Intelligence, Animation, Mobile, Educational and Serious Games (CGAMES 2005), pages 216-222, Angoulême, France, November 2005. [ bib ]
[3]	Christoph Schlieder, Peter Kiefer, and Sebastian Matyas. Geogames: A conceptual framework and tool for the design of location-based games from classic board games. In M. Maybury, O. Stock, and W. Wahlster, editors, Proceedings of the First International Conference on Intelligent Technologies for Interactive Entertainment (INTETAIN 2005), pages 164-173, Madonna di Campiglio, Italy, November 2005. Springer. [ bib \| DOI ]
[4]	Peter Kiefer, Klaus Stein, and Christoph Schlieder. Visibility analysis on the web using covisibilities and semantic networks. In B. Berendt, A. Hotho, D. Mladenic, G. Semeraro, M. Spiliopoulou, G. Stumme, and M. van Someren, editors, Proceedings of the European Web Mining Forum (EWMF), pages 28-39, Porto, Portugal, October 2005. [ bib ]
[5]	Peter Kiefer, Sebastian Matyas, and Christoph Schlieder. State space analysis as a tool in the design of a smart opponent for a location-based game. In M. Masuch, K. Hartmann, S. Beckhaus, U. Spierling, and F. Sliwka, editors, Proceedings of the Computer Science and Magic 2005, GC Developer Conference Science Track, Leipzig, Germany, August 2005. Messe Leipzig. isbn: 3-9804874-3-1. [ bib ]
[6]	Peter Kiefer. Computational analysis of the visibility of themes in internet-based communication processes, (in German: Softwaregestützte Analyse der Sichtbarkeit von Themen in internetbasierten Kommunikationsprozessen). Diploma thesis, Chair for Computing in the Cultural Sciences, Bamberg University, Bamberg, Germany, 2005. [ bib ]
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