Visibility Analysis on theWeb as an Indicator for Public Relations and Marketing Evaluation. - Peter Kiefer; Klaus Stein (CIMCA/IAWTIC, 2005)

Visibility Analysis on the Web Using Co-visibilities and Semantic Networks. - Peter Kiefer; Klaus Stein; Christoph Schlieder (EWMF/KDO, 2005)

Geogames: A Conceptual Framework and Tool for the Design of Location-Based Games from Classic Board Games. - Christoph Schlieder; Peter Kiefer; Sebastian Matyas (INTETAIN, 2005)

Learning About Cultural Heritage by Playing Geogames. - Peter Kiefer; Sebastian Matyas; Christoph Schlieder (ICEC, 2006)

Geogames: Designing Location-Based Games from Classic Board Games. - Christoph Schlieder; Peter Kiefer; Sebastian Matyas (IEEE Intell. Syst., 2006)

Geogames - Ortsbezogene Spiele als neue Form des Edutainment (Geogames - Location-based Games as a Novel Type of Edutainment). - Christoph Schlieder; Peter Kiefer; Sebastian Matyas (i-com, 2006)

Playing on a line: location-based games for linear trips. - Peter Kiefer; Sebastian Matyas; Christoph Schlieder (Advances in Computer Entertainment Technology, 2007)

Exploring Context-Sensitivity in Spatial Intention Recognition. - Peter Kiefer; Christoph Schlieder (BMI, 2007)

Communication Between Process and Structure: Modelling and Simulating Message Reference Networks with COM/TE. - Thomas Malsch; Christoph Schlieder; Peter Kiefer; Maren Lübcke; Rasco Perschke; Marco Schmitt 002; Klaus Stein (J. Artif. Soc. Soc. Simul., 2007)

Designing location-based mobile games with a purpose: collecting geospatial data with CityExplorer. - Sebastian Matyas; Christian Matyas; Christoph Schlieder; Peter Kiefer; Hiroko Mitarai; Maiko Kamata (Advances in Computer Entertainment Technology, 2008)

CityExplorer - A Geogame Extending the Magic Circle. - Sebastian Matyas; Christian Matyas; Christoph Schlieder; Peter Kiefer (GI Jahrestagung (1), 2008)

A Framework for Mobile Intention Recognition in Spatially Structured Environments. - Peter Kiefer; Klaus Stein (BMI, 2008)

Spatially Constrained Grammars for Mobile Intention Recognition. - Peter Kiefer (Spatial Cognition, 2008)

Modeling Mobile Intention Recognition Problems with Spatially Constrained Tree-Adjoining Grammars. - Peter Kiefer (TAG, 2008)

Geogames - Intention Recognition and Data Quality in Location-based Gaming. - Christoph Schlieder; Peter Kiefer; Sebastian Matyas (Künstliche Intell., 2008)

SCTAG: A Mildly Context-Sensitive Formalism for Modeling Complex Intentions in Spatially Structured Environments. - Peter Kiefer (AAAI Spring Symposium: Human Behavior Modeling, 2009)

Rule-based intention recognition from spatio-temporal motion track data in ambient assisted living. - Peter Kiefer; Klaus Stein; Christoph Schlieder (BMI Book, 2009)

Ein Bewegungskostenmodell für personalisierte Fitnesstrainer in ortsbezogenen Spielen. - Peter Kiefer; Thomas Bornschlegel; Christoph Schlieder (GI Jahrestagung (1), 2010)

Time geography inverted: recognizing intentions in space and time. - Peter Kiefer; Martin Raubal; Christoph Schlieder (GIS, 2010)

Mobile Intention Recognition. - Peter Kiefer (Ausgezeichnete Informatikdissertationen, 2011)

Wisdom about the Crowd: Assuring Geospatial Data Quality Collected in Location-Based Games. - Sebastian Matyas; Peter Kiefer; Christoph Schlieder; Sara Kleyer (ICEC, 2011)

Mobile Intention Recognition. - Peter Kiefer (Springer, 2012)

Towards location-aware mobile eye tracking. - Peter Kiefer; Florian Straub; Martin Raubal (ETRA, 2012)

Gaze map matching: mapping eye tracking data to geographic vector features. - Peter Kiefer; Ioannis Giannopoulos (SIGSPATIAL/GIS, 2012)

GeoGazemarks: providing gaze history for the orientation on small display maps. - Ioannis Giannopoulos; Peter Kiefer; Martin Raubal (ICMI, 2012)

The influence of gaze history visualization on map interaction sequences and cognitive maps. - Ioannis Giannopoulos; Peter Kiefer; Martin Raubal (MapInteract, 2013)

Using eye movements to recognize activities on cartographic maps. - Peter Kiefer; Ioannis Giannopoulos; Martin Raubal (SIGSPATIAL/GIS, 2013)

Starting to get bored: an outdoor eye tracking study of tourists exploring a city panorama. - Peter Kiefer; Ioannis Giannopoulos; Dominik Kremer; Christoph Schlieder; Martin Raubal (ETRA, 2014)

Wayfinding Decision Situations: A Conceptual Model and Evaluation. - Ioannis Giannopoulos; Peter Kiefer; Martin Raubal; Kai-Florian Richter; Tyler Thrash (GIScience, 2014)

Where Am I? Investigating Map Matching During Self-Localization With Mobile Eye Tracking in an Urban Environment. - Peter Kiefer; Ioannis Giannopoulos; Martin Raubal (Trans. GIS, 2014)

A Wayfinding Grammar Based on Reference System Transformations. - Peter Kiefer; Simon Scheider; Ioannis Giannopoulos; Paul Weiser (COSIT, 2015)

The 5th international workshop on pervasive eye tracking and mobile eye-based interaction. - Peter Kiefer; Yanxia Zhang; Andreas Bulling (UbiComp/ISWC Adjunct, 2015)

GazeNav: Gaze-Based Pedestrian Navigation. - Ioannis Giannopoulos; Peter Kiefer; Martin Raubal (MobileHCI, 2015)

A Framework for Attention-Based Implicit Interaction on Mobile Screens. - Peter Kiefer; Ioannis Giannopoulos (MobileHCI Adjunct, 2015)

An evaluation method for location-based mobile learning based on spatio-temporal analysis of learner trajectories. - Christian Sailer; Peter Kiefer; Joram Schito; Martin Raubal (MobileHCI Adjunct, 2015)

Teachers Matter: Challenges of Using a Location-Based Mobile Learning Platform. - Christian Sailer; Joram Schito; Peter Kiefer; Martin Raubal (mLearn, 2015)

Resonate - a social musical installation which integrates tangible multiuser interaction. - Benjamin Knichel; Holger Reckter; Peter Kiefer (NIME, 2015)

Measuring Cognitive Load for Map Tasks Through Pupil Diameter. - Peter Kiefer; Ioannis Giannopoulos; Andrew T. Duchowski; Martin Raubal (GIScience, 2016)

Towards gaze-based interaction with urban outdoor spaces. - Vasileios Athanasios Anagnostopoulos; Peter Kiefer (UbiComp Adjunct, 2016)

Interacting with Maps on Optical Head-Mounted Displays. - David Rudi; Ioannis Giannopoulos; Peter Kiefer; Christian Peier; Martin Raubal (SUI, 2016)

Towards sustainable mobility behavior: research challenges for location-aware information and communication technology. - Paul Weiser; Simon Scheider; Dominik Bucher; Peter Kiefer; Martin Raubal (GeoInformatica, 2016)

Map-based Visual Analytics of Moving Learners. - Christian Sailer; Peter Kiefer; Joram Schito; Martin Raubal (Int. J. Mob. Hum. Comput. Interact., 2016)

Uncertainty in Wayfinding: A Conceptual Framework and Agent-Based Model. - David Jonietz; Peter Kiefer (COSIT, 2017)

Controllability matters: The user experience of adaptive maps. - Peter Kiefer; Ioannis Giannopoulos; Vasileios Athanasios Anagnostopoulos; Johannes Schöning; Martin Raubal (GeoInformatica, 2017)

Gaze-Informed location-based services. - Vasileios Athanasios Anagnostopoulos; Michal Havlena; Peter Kiefer; Ioannis Giannopoulos; Konrad Schindler; Martin Raubal (Int. J. Geogr. Inf. Sci., 2017)

Eye tracking for spatial research: Cognition, computation, challenges. - Peter Kiefer; Ioannis Giannopoulos; Martin Raubal; Andrew T. Duchowski (Spatial Cogn. Comput., 2017)

The Index of Pupillary Activity: Measuring Cognitive Load vis-à-vis Task Difficulty with Pupil Oscillation. - Andrew T. Duchowski; Krzysztof Krejtz; Izabela Krejtz; Cezary Biele; Anna Niedzielska; Peter Kiefer; Martin Raubal; Ioannis Giannopoulos (CHI, 2018)

Improving map reading with gaze-adaptive legends. - Fabian Göbel; Peter Kiefer; Ioannis Giannopoulos; Andrew T. Duchowski; Martin Raubal (ETRA, 2018)

Visualizing pilot eye movements for flight instructors. - David Rudi; Peter Kiefer; Martin Raubal (ETVIS@ETRA, 2018)

Gaze Sequences and Map Task Complexity (Short Paper). - Fabian Göbel; Peter Kiefer; Ioannis Giannopoulos; Martin Raubal (GIScience, 2018)

Gaze-Guided Narratives: Adapting Audio Guide Content to Gaze in Virtual and Real Environments. - Tiffany C. K. Kwok; Peter Kiefer; Victor R. Schinazi; Benjamin Adams; Martin Raubal (CHI, 2019)

POITrack: improving map-based planning with implicit POI tracking. - Fabian Göbel; Peter Kiefer (ETRA, 2019)

FeaturEyeTrack: automatic matching of eye tracking data with map features on interactive maps. - Fabian Göbel; Peter Kiefer; Martin Raubal (GeoInformatica, 2019)

3D Point Clouds and Eye Tracking for Investigating the Perception and Acceptance of Power Lines in Different Landscapes. - Ulrike Wissen Hayek; Kilian Müller; Fabian Göbel; Peter Kiefer; Reto Spielhofer; Adrienne Grêt-Regamey (Multimodal Technol. Interact., 2019)

Gaze-Adaptive Lenses for Feature-Rich Information Spaces. - Fabian Göbel; Kuno Kurzhals; Victor R. Schinazi; Peter Kiefer; Martin Raubal (ETRA, 2020)

Correction to: FeaturEyeTrack: automatic matching of eye tracking data with map features on interactive maps. - Fabian Göbel; Peter Kiefer; Martin Raubal (GeoInformatica, 2020)

Gaze-based interactions in the cockpit of the future: a survey. - David Rudi; Peter Kiefer; Ioannis Giannopoulos; Martin Raubal (J. Multimodal User Interfaces, 2020)

Not Arbitrary, Systematic! Average-Based Route Selection for Navigation Experiments. - Bartosz Mazurkiewicz; Markus Kattenbeck; Peter Kiefer; Ioannis Giannopoulos (GIScience (I), 2021)

Improving Resilience by Communicating Predicted Disruptions in Control Rooms. - Suvodip Chakraborty; Peter Kiefer; Martin Raubal (INTERACT (Workshops), 2021)

3D Sketch Maps: Concept, Potential Benefits, and Challenges (Short Paper). - Kevin Gonyop Kim; Jakub Krukar; Panagiotis Mavros; Jiayan Zhao; Peter Kiefer; Angela Schwering; Christoph Hölscher; Martin Raubal (COSIT, 2022)

Two-Step Gaze Guidance. - Tiffany C. K. Kwok; Peter Kiefer; Martin Raubal (ICMI, 2022)

Do You Need Instructions Again? Predicting Wayfinding Instruction Demand. - Negar Alinaghi; Tiffany C. K. Kwok; Peter Kiefer; Ioannis Giannopoulos (GIScience, 2023)

An augmented reality study for public participation in urban planning. - Ursina Christina Boos; Tumasch Reichenbacher; Peter Kiefer; Christian Sailer (J. Locat. Based Serv., 2023)

FlyBrate: Evaluating Vibrotactile Cues for Simulated Flight. - Luis Lutnyk; David Rudi; Emanuel Meier; Peter Kiefer; Martin Raubal (Int. J. Hum. Comput. Interact., 2023)

Can You Sketch in 3D? Exploring Perceived Feasibility and Use Cases of 3D Sketch Mapping. - Kevin Gonyop Kim; Tiffany C. K. Kwok; Sailin Zhong; Peter Kiefer; Martin Raubal (COSIT, 2024)

VResin: Externalizing spatial memory into 3D sketch maps. - Tianyi Xiao; Kevin Gonyop Kim; Jakub Krukar; Rajasirpi Subramaniyan; Peter Kiefer; Angela Schwering; Martin Raubal (Int. J. Hum. Comput. Stud., 2024)

PACMHCI V8, ETRA, May 2024 Editorial. - Andrew T. Duchowski; Peter Kiefer; Krzysztof Krejtz; Jochen Laubrock (Proc. ACM Hum. Comput. Interact., 2024)

Unobtrusive interaction: a systematic literature review and expert survey. - Tiffany C. K. Kwok; Peter Kiefer; Martin Raubal (Hum. Comput. Interact., 2024)

The influence of uncertainty visualization on cognitive load in a safety- and time-critical decision-making task. - Suvodip Chakraborty; Peter Kiefer; Martin Raubal (Int. J. Geogr. Inf. Sci., 2024)

Estimating Perceived Mental Workload From Eye-Tracking Data Based on Benign Anisocoria. - Suvodip Chakraborty; Peter Kiefer; Martin Raubal (IEEE Trans. Hum. Mach. Syst., 2024)

Sketch2Terrain: AI-Driven Real-Time Terrain Sketch Mapping in Augmented Reality. - Tianyi Xiao; Yizi Chen; Sailin Zhong; Peter Kiefer; Jakub Krukar; Kevin Gonyop Kim; Lorenz Hurni; Angela Schwering; Martin Raubal (CHI, 2025)

PACMHCI V9, N3, May 2025 Editorial. - Nora Jane Castner; Peter Kiefer; Jochen Laubrock; Carlos H. Morimoto (Proc. ACM Hum. Comput. Interact., 2025)

Unsupervised Urban Land Use Mapping with Street View Contrastive Clustering and a Geographical Prior. - Lin Che; Yizi Chen; Tanhua Jin; Martin Raubal; Konrad Schindler; Peter Kiefer (CoRR, 2025)

Leveraging Temporal Gaze Patterns for Intelligent Segmentation in Mobile Eye-Tracking. - Shupeng Wang; Yizi Chen; Sidi Wu; Peter Kiefer; Martin Raubal (Proc. ACM Comput. Graph. Interact. Tech., 2025)